Q: What is the negative version of the number 20,621,440?
A: -20,621,440
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:
| 20,621,438 | 20,621,439 | 20,621,441 | 20,621,442 |
| -20,621,438 | -20,621,439 | -20,621,441 | -20,621,442 |