Q: What is the negative version of the number 20,506,407?
A: -20,506,407
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:
| 20,506,405 | 20,506,406 | 20,506,408 | 20,506,409 |
| -20,506,405 | -20,506,406 | -20,506,408 | -20,506,409 |