Q: What is the negative version of the number 20,781,989?
A: -20,781,989
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:
| 20,781,987 | 20,781,988 | 20,781,990 | 20,781,991 |
| -20,781,987 | -20,781,988 | -20,781,990 | -20,781,991 |