Q: What is the negative version of the number 20,215,731?
A: -20,215,731
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:
| 20,215,729 | 20,215,730 | 20,215,732 | 20,215,733 |
| -20,215,729 | -20,215,730 | -20,215,732 | -20,215,733 |