Q: What is the negative version of the number 20,421,419?
A: -20,421,419
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:
| 20,421,417 | 20,421,418 | 20,421,420 | 20,421,421 |
| -20,421,417 | -20,421,418 | -20,421,420 | -20,421,421 |