Q: What is the negative version of the number 20,215,749?
A: -20,215,749
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:
| 20,215,747 | 20,215,748 | 20,215,750 | 20,215,751 |
| -20,215,747 | -20,215,748 | -20,215,750 | -20,215,751 |