Q: What is the negative version of the number 21,020,561?
A: -21,020,561
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:
| 21,020,559 | 21,020,560 | 21,020,562 | 21,020,563 |
| -21,020,559 | -21,020,560 | -21,020,562 | -21,020,563 |