20832936 has 16 divisors (see below), whose sum is σ = 52082400. Its totient is φ = 6944304.

The previous prime is 20832901. The next prime is 20832937. The reversal of 20832936 is 63923802.

It is a super-2 number, since 2×20832936² = 868022444760192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20832897 and 20832906.

It is not an unprimeable number, because it can be changed into a prime (20832937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433996 + ... + 434043.

It is an arithmetic number, because the mean of its divisors is an integer number (3255150).

Almost surely, 2^20832936 is an apocalyptic number.

It is an amenable number.

20832936 is an abundant number, since it is smaller than the sum of its proper divisors (31249464).

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

20832936 is a wasteful number, since it uses less digits than its factorization.

20832936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868048 (or 868044 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 20832936 is about 4564.3111199829. The cubic root of 20832936 is about 275.1588547758.

The spelling of 20832936 in words is "twenty million, eight hundred thirty-two thousand, nine hundred thirty-six".