Q: What is the negative version of the number 20,215,742?
A: -20,215,742
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:
| 20,215,740 | 20,215,741 | 20,215,743 | 20,215,744 |
| -20,215,740 | -20,215,741 | -20,215,743 | -20,215,744 |