Q: What is the negative version of the number 20,721,685?
A: -20,721,685
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:
| 20,721,683 | 20,721,684 | 20,721,686 | 20,721,687 |
| -20,721,683 | -20,721,684 | -20,721,686 | -20,721,687 |