Q: What is the negative version of the number 20,815,851?
A: -20,815,851
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:
| 20,815,849 | 20,815,850 | 20,815,852 | 20,815,853 |
| -20,815,849 | -20,815,850 | -20,815,852 | -20,815,853 |