Q: Is 20,216,509 a Palindrome?
A: No, the number 20,216,509 is not a palindrome.
A palindromic number is number that remains the same when its digits are reversed.
Here's how to check if a number is a palindrome:
Step 1
Take the original number and reverse it.
Here is the original number color coded:
20216509
Now we reverse it like this:
90561202
Notice the colors are going in the opposite direction now
Step 2
Compare the two numbers. If they are exactly the same then the number is a palindrome.
Is 20216509 = 90561202?
Answer:
NO, so that means the number 20,216,509 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 20,216,507 | 20,216,508 | 20,216,510 | 20,216,511 |
| Palindrome? | no | no | no | no |