Q: What is the negative version of the number 20,215,730?
A: -20,215,730
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:
| 20,215,728 | 20,215,729 | 20,215,731 | 20,215,732 |
| -20,215,728 | -20,215,729 | -20,215,731 | -20,215,732 |