Q: What is the negative version of the number 20,557,617?
A: -20,557,617
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:
| 20,557,615 | 20,557,616 | 20,557,618 | 20,557,619 |
| -20,557,615 | -20,557,616 | -20,557,618 | -20,557,619 |