Q: How Many Digits in the Number 400,420,220?

 A: The number 400,420,220 has 9 digits.

How does 400,420,220 have 9 digits?

You simply count the number of digits from the first number to the last. Like this:


400420220
Digit # 123456789

What are the number of digits of the numbers near 400,420,220?

400,420,218400,420,219400,420,221400,420,222
9999

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