Q: What is the negative version of the number 20,402,421?
A: -20,402,421
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:
| 20,402,419 | 20,402,420 | 20,402,422 | 20,402,423 |
| -20,402,419 | -20,402,420 | -20,402,422 | -20,402,423 |