Q: What is the negative version of the number 20,013,639?
A: -20,013,639
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:
| 20,013,637 | 20,013,638 | 20,013,640 | 20,013,641 |
| -20,013,637 | -20,013,638 | -20,013,640 | -20,013,641 |