20885333156 has 24 divisors (see below), whose sum is σ = 36612996000. Its totient is φ = 10424498112.

The previous prime is 20885333101. The next prime is 20885333167. The reversal of 20885333156 is 65133358802.

It is a super-2 number, since 2×20885333156² (a number of 21 digits) contains 22 as substring.

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, 10509995 + ... + 10511981.

It is an arithmetic number, because the mean of its divisors is an integer number (1525541500).

Almost surely, 2^20885333156 is an apocalyptic number.

It is an amenable number.

20885333156 is a deficient number, since it is larger than the sum of its proper divisors (15727662844).

20885333156 is a wasteful number, since it uses less digits than its factorization.

20885333156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243 (or 5241 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 20885333156 in words is "twenty billion, eight hundred eighty-five million, three hundred thirty-three thousand, one hundred fifty-six".