20713125275 has 6 divisors (see below), whose sum is σ = 25684275372. Its totient is φ = 16570500200.

The previous prime is 20713125269. The next prime is 20713125283. The reversal of 20713125275 is 57252131702.

It is not a de Polignac number, because 20713125275 - 2¹² = 20713121179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 414262481 + ... + 414262530.

It is an arithmetic number, because the mean of its divisors is an integer number (4280712562).

Almost surely, 2^20713125275 is an apocalyptic number.

20713125275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20713125275 is a deficient number, since it is larger than the sum of its proper divisors (4971150097).

20713125275 is an equidigital number, since it uses as much as digits as its factorization.

20713125275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828525021 (or 828525016 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

Adding to 20713125275 its reverse (57252131702), we get a palindrome (77965256977).

The spelling of 20713125275 in words is "twenty billion, seven hundred thirteen million, one hundred twenty-five thousand, two hundred seventy-five".