Q: What is the negative version of the number 18,521,720?
A: -18,521,720
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:
| 18,521,718 | 18,521,719 | 18,521,721 | 18,521,722 |
| -18,521,718 | -18,521,719 | -18,521,721 | -18,521,722 |