20312625051042 has 16 divisors (see below), whose sum is σ = 41570023360800. Its totient is φ = 6613412807232.

The previous prime is 20312625050957. The next prime is 20312625051053. The reversal of 20312625051042 is 24015052621302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20312625050994 and 20312625051012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39365552167 + ... + 39365552682.

It is an arithmetic number, because the mean of its divisors is an integer number (2598126460050).

Almost surely, 2^{20312625051042} is an apocalyptic number.

20312625051042 is an abundant number, since it is smaller than the sum of its proper divisors (21257398309758).

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

20312625051042 is a wasteful number, since it uses less digits than its factorization.

20312625051042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78731104897.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 20312625051042 its reverse (24015052621302), we get a palindrome (44327677672344).

The spelling of 20312625051042 in words is "twenty trillion, three hundred twelve billion, six hundred twenty-five million, fifty-one thousand, forty-two".