Q: What is the negative version of the number 20,621,521?
A: -20,621,521
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:
| 20,621,519 | 20,621,520 | 20,621,522 | 20,621,523 |
| -20,621,519 | -20,621,520 | -20,621,522 | -20,621,523 |