Question

20×which number = -2​

Answer 1

Answer:

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What is a 20-digit number?

A 20-digit number is a number that has 20 digits where the first digit must be 1 or greater. On this page, we will answer three questions for you: What is the smallest 20-digit number? What is the largest 20-digit number? How many 20-digit numbers are there?

Smallest 20-digit number

The smallest 20-digit number is 1 followed by 19 zeros. This number is called ten quintillion.

Largest 20-digit number

The largest 20-digit number is 9 followed by another 19 nines. This number is called ninety-nine quintillion nine hundred ninety-nine quadrillion nine hundred ninety-nine trillion nine hundred ninety-nine billion nine hundred ninety-nine million nine hundred ninety-nine thousand nine hundred ninety-nine.

Total number of 20-digit numbers

There are a total of ninety quintillion different 20-digit numbers. ninety quintillion is 9 followed by 19 zeros.