\documentclass[12pt,a4paper]{article}
\begin{document}
\begin{table}[ht]
\begin{center}
\caption{All statistics are based on contigs of size $\geq$ 200 bp, unless otherwise noted (e.g., "\# contigs ($\geq$ 0 bp)" and "Total length ($\geq$ 0 bp)" include all contigs).}
\begin{tabular}{|l*{36}{|r}|}
\hline
Assembly & \# contigs ($\geq$ 0 bp) & \# contigs ($\geq$ 1000 bp) & \# contigs ($\geq$ 5000 bp) & \# contigs ($\geq$ 10000 bp) & \# contigs ($\geq$ 25000 bp) & \# contigs ($\geq$ 50000 bp) & Total length ($\geq$ 0 bp) & Total length ($\geq$ 1000 bp) & Total length ($\geq$ 5000 bp) & Total length ($\geq$ 10000 bp) & Total length ($\geq$ 25000 bp) & Total length ($\geq$ 50000 bp) & \# contigs & Largest contig & Total length & GC (\%) & N50 & N75 & L50 & L75 & \# total reads & \# left & \# right & Mapped (\%) & Properly paired (\%) & Avg. coverage depth & Coverage $\geq$ 1x (\%) & \# N's per 100 kbp & Complete BUSCO (\%) & Partial BUSCO (\%) & \# predicted genes (unique) & \# predicted genes ($\geq$ 0 bp) & \# predicted genes ($\geq$ 300 bp) & \# predicted genes ($\geq$ 1500 bp) & \# predicted genes ($\geq$ 3000 bp) & \# predicted rRNA genes \\ \hline
spades & 321 & 180 & 106 & 84 & 36 & 13 & 3329954 & 3253815 & 3099388 & 2941721 & 2148681 & 1309856 & 319 & 167507 & 3329701 & 42.93 & 41366 & 18092 & 21 & 53 & 42014317 & 21002102 & 21002102 & 99.75 & 99.25 & 1883 & 100.0 & 0.00 & 93.24 & 0.68 & 2255 & 2240 + 15 part & 2172 + 14 part & 467 + 1 part & 54 + 1 part & 4 + 1 part \\ \hline
\end{tabular}
\end{center}
\end{table}
\end{document}