What number has 20 zeros?

What number has 20 zeros? To be more specific, we assume you are asking what is 1 followed by exactly 20 zeros like this:

100 000 000 000 000 000 000

The name of a 1 with 20 zeros is displayed below:

One Hundred Quintillion

To put it in perspective, one hundred quintillion has one more zero than ten quintillion and one less zero compared to one sextillion.

Numbers with Zeros
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What number has 21 zeros?
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