$20 million is a bit expensive. It doesn't need to be that lavish. The real ark only had to be big enough to accommodate the Prophet Noah's (piss be upon him) household and 76 others who submitted to Allah and some domesticated livestock. The finished product should look something like this:
The Biblical version is so hard to swallow. The flood didn't cover the whole world. Noah (pigs be upon him) prayed that Allah would destroy all disbelievers (Surah
71:26), and Allah did, except for Noah's (pigs be upon him) wife Naamah, who was spared from the flood only to be sent to Hell with Lot's wife (
Surah 66:10).