20864089373711 has 4 divisors (see below), whose sum is σ = 21055503037800. Its totient is φ = 20672675709624.

The previous prime is 20864089373681. The next prime is 20864089373753. The reversal of 20864089373711 is 11737398046802.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20864089373711 - 2³⁴ = 20846909504527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20864089373761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95706831881 + ... + 95706832098.

It is an arithmetic number, because the mean of its divisors is an integer number (5263875759450).

Almost surely, 2^{20864089373711} is an apocalyptic number.

20864089373711 is a deficient number, since it is larger than the sum of its proper divisors (191413664089).

20864089373711 is a wasteful number, since it uses less digits than its factorization.

20864089373711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191413664088.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 20864089373711 in words is "twenty trillion, eight hundred sixty-four billion, eighty-nine million, three hundred seventy-three thousand, seven hundred eleven".