20312625051232 has 48 divisors (see below), whose sum is σ = 40473874515312. Its totient is φ = 10033555371520.

The previous prime is 20312625051221. The next prime is 20312625051233. The reversal of 20312625051232 is 23215052621302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312625051233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74968482 + ... + 75238942.

It is an arithmetic number, because the mean of its divisors is an integer number (843205719069).

Almost surely, 2^{20312625051232} is an apocalyptic number.

It is an amenable number.

20312625051232 is a deficient number, since it is larger than the sum of its proper divisors (20161249464080).

20312625051232 is a wasteful number, since it uses less digits than its factorization.

20312625051232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298831 (or 298823 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 20312625051232 its reverse (23215052621302), we get a palindrome (43527677672534).

The spelling of 20312625051232 in words is "twenty trillion, three hundred twelve billion, six hundred twenty-five million, fifty-one thousand, two hundred thirty-two".