Q: What is the negative version of the number 21,605,220?
A: -21,605,220
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
21,605,218 | 21,605,219 | 21,605,221 | 21,605,222 |
-21,605,218 | -21,605,219 | -21,605,221 | -21,605,222 |