\documentclass[12pt,a4paper]{article}
\begin{document}
\begin{table}[ht]
\begin{center}
\caption{All statistics are based on contigs of size $\geq$ 500 bp, unless otherwise noted (e.g., "\# contigs ($\geq$ 0 bp)" and "Total length ($\geq$ 0 bp)" include all contigs).}
\begin{tabular}{|l*{25}{|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 & N90 & auN & L50 & L90 & \# N's per 100 kbp & Complete BUSCO (\%) & Partial BUSCO (\%) & \# predicted rRNA genes \\ \hline
genome.nextpolish & 228 & 228 & 160 & 94 & 20 & 0 & 2633626 & 2633626 & 2359376 & 1877170 & 676734 & 0 & 228 & 49904 & 2633626 & 57.76 & 16657 & 4909 & 18679.8 & 52 & 163 & 0.00 & 0.00 & 0.00 & 4 + 0 part \\ \hline
\end{tabular}
\end{center}
\end{table}
\end{document}
