Q: What is the negative version of the number 20,518,661?
A: -20,518,661
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:
| 20,518,659 | 20,518,660 | 20,518,662 | 20,518,663 |
| -20,518,659 | -20,518,660 | -20,518,662 | -20,518,663 |