20832938 has 24 divisors (see below), whose sum is σ = 37132992. Its totient is φ = 8736504.

The previous prime is 20832937. The next prime is 20832971. The reversal of 20832938 is 83923802.

It is a super-2 number, since 2×20832938² = 868022611423688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20832898 and 20832907.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2345 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (1547208).

Almost surely, 2^20832938 is an apocalyptic number.

20832938 is a deficient number, since it is larger than the sum of its proper divisors (16300054).

20832938 is a wasteful number, since it uses less digits than its factorization.

20832938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 20832938 is about 4564.3113390741. The cubic root of 20832938 is about 275.1588635810.

The spelling of 20832938 in words is "twenty million, eight hundred thirty-two thousand, nine hundred thirty-eight".