Q: What is the negative version of the number 20,518,663?
A: -20,518,663
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:
| 20,518,661 | 20,518,662 | 20,518,664 | 20,518,665 |
| -20,518,661 | -20,518,662 | -20,518,664 | -20,518,665 |