20113576651 has 8 divisors (see below), whose sum is σ = 22990033664. Its totient is φ = 17237891880.

The previous prime is 20113576619. The next prime is 20113576657. The reversal of 20113576651 is 15667531102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20113576651 - 2⁵ = 20113576619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20113576651.

It is not an unprimeable number, because it can be changed into a prime (20113576657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136125 + ... + 242398.

It is an arithmetic number, because the mean of its divisors is an integer number (2873754208).

Almost surely, 2^20113576651 is an apocalyptic number.

20113576651 is a deficient number, since it is larger than the sum of its proper divisors (2876457013).

20113576651 is an equidigital number, since it uses as much as digits as its factorization.

20113576651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386121.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 20113576651 in words is "twenty billion, one hundred thirteen million, five hundred seventy-six thousand, six hundred fifty-one".