20075107256 has 16 divisors (see below), whose sum is σ = 37642561440. Its totient is φ = 10037090880.

The previous prime is 20075107253. The next prime is 20075107333. The reversal of 20075107256 is 65270157002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20075107253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 187985 + ... + 274751.

It is an arithmetic number, because the mean of its divisors is an integer number (2352660090).

Almost surely, 2^20075107256 is an apocalyptic number.

It is an amenable number.

20075107256 is a deficient number, since it is larger than the sum of its proper divisors (17567454184).

20075107256 is a wasteful number, since it uses less digits than its factorization.

20075107256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115694 (or 115690 counting only the distinct ones).

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

The spelling of 20075107256 in words is "twenty billion, seventy-five million, one hundred seven thousand, two hundred fifty-six".