20312651542404 has 96 divisors (see below), whose sum is σ = 51083592977536. Its totient is φ = 6244961587200.

The previous prime is 20312651542331. The next prime is 20312651542427. The reversal of 20312651542404 is 40424515621302.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1219897479 + ... + 1219914129.

Almost surely, 2^{20312651542404} is an apocalyptic number.

It is an amenable number.

20312651542404 is an abundant number, since it is smaller than the sum of its proper divisors (30770941435132).

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

20312651542404 is a wasteful number, since it uses less digits than its factorization.

20312651542404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22565 (or 22563 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 20312651542404 in words is "twenty trillion, three hundred twelve billion, six hundred fifty-one million, five hundred forty-two thousand, four hundred four".