20713125276 has 30 divisors (see below), whose sum is σ = 54148201800. Its totient is φ = 6904374984.

The previous prime is 20713125269. The next prime is 20713125283. The reversal of 20713125276 is 67252131702.

20713125276 is a `hidden beast` number, since 2 + 0 + 71 + 312 + 5 + 276 = 666.

It is an interprime number because it is at equal distance from previous prime (20713125269) and next prime (20713125283).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20713125276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31964376 + ... + 31965023.

It is an arithmetic number, because the mean of its divisors is an integer number (1804940060).

Almost surely, 2^20713125276 is an apocalyptic number.

It is an amenable number.

20713125276 is an abundant number, since it is smaller than the sum of its proper divisors (33435076524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20713125276 is a wasteful number, since it uses less digits than its factorization.

20713125276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63929415 (or 63929404 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 20713125276 its reverse (67252131702), we get a palindrome (87965256978).

The spelling of 20713125276 in words is "twenty billion, seven hundred thirteen million, one hundred twenty-five thousand, two hundred seventy-six".