Q: What is the negative version of the number 20,561,613?
A: -20,561,613
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:
| 20,561,611 | 20,561,612 | 20,561,614 | 20,561,615 |
| -20,561,611 | -20,561,612 | -20,561,614 | -20,561,615 |