20935333832 has 32 divisors (see below), whose sum is σ = 44868040320. Its totient is φ = 8970963840.

The previous prime is 20935333829. The next prime is 20935333873. The reversal of 20935333832 is 23833353902.

It is a self number, because there is not a number n which added to its sum of digits gives 20935333832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420332 + ... + 467492.

It is an arithmetic number, because the mean of its divisors is an integer number (1402126260).

Almost surely, 2^20935333832 is an apocalyptic number.

It is an amenable number.

20935333832 is an abundant number, since it is smaller than the sum of its proper divisors (23932706488).

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

20935333832 is a wasteful number, since it uses less digits than its factorization.

20935333832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55101 (or 55097 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 20935333832 in words is "twenty billion, nine hundred thirty-five million, three hundred thirty-three thousand, eight hundred thirty-two".