Q: What is the negative version of the number 20,815,666?
A: -20,815,666
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:
| 20,815,664 | 20,815,665 | 20,815,667 | 20,815,668 |
| -20,815,664 | -20,815,665 | -20,815,667 | -20,815,668 |