Q: What is the negative version of the number 20,721,115?
A: -20,721,115
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:
| 20,721,113 | 20,721,114 | 20,721,116 | 20,721,117 |
| -20,721,113 | -20,721,114 | -20,721,116 | -20,721,117 |