20886733364 has 24 divisors (see below), whose sum is σ = 43972071360. Its totient is φ = 8480327616.

The previous prime is 20886733339. The next prime is 20886733379. The reversal of 20886733364 is 46333768802.

It is a congruent number.

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, 19629857 + ... + 19630920.

It is an arithmetic number, because the mean of its divisors is an integer number (1832169640).

Almost surely, 2^20886733364 is an apocalyptic number.

It is an amenable number.

20886733364 is an abundant number, since it is smaller than the sum of its proper divisors (23085337996).

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

20886733364 is a wasteful number, since it uses less digits than its factorization.

20886733364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39260807 (or 39260805 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 20886733364 in words is "twenty billion, eight hundred eighty-six million, seven hundred thirty-three thousand, three hundred sixty-four".