Q: What is the negative version of the number 20,721,117?
A: -20,721,117
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:
| 20,721,115 | 20,721,116 | 20,721,118 | 20,721,119 |
| -20,721,115 | -20,721,116 | -20,721,118 | -20,721,119 |