Q: What is the negative version of the number 20,400,619?
A: -20,400,619
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:
| 20,400,617 | 20,400,618 | 20,400,620 | 20,400,621 |
| -20,400,617 | -20,400,618 | -20,400,620 | -20,400,621 |