20713125263 has 2 divisors, whose sum is σ = 20713125264. Its totient is φ = 20713125262.

The previous prime is 20713125233. The next prime is 20713125269. The reversal of 20713125263 is 36252131702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20713125263 - 2⁸ = 20713125007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20713125269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10356562631 + 10356562632.

It is an arithmetic number, because the mean of its divisors is an integer number (10356562632).

Almost surely, 2^20713125263 is an apocalyptic number.

20713125263 is a deficient number, since it is larger than the sum of its proper divisors (1).

20713125263 is an equidigital number, since it uses as much as digits as its factorization.

20713125263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 20713125263 its reverse (36252131702), we get a palindrome (56965256965).

The spelling of 20713125263 in words is "twenty billion, seven hundred thirteen million, one hundred twenty-five thousand, two hundred sixty-three".