20339932 has 12 divisors (see below), whose sum is σ = 35809200. Its totient is φ = 10108736.

The previous prime is 20339909. The next prime is 20339941. The reversal of 20339932 is 23993302.

It is a junction number, because it is equal to n+sod(n) for n = 20339894 and 20339903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14557 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (2984100).

Almost surely, 2^20339932 is an apocalyptic number.

It is an amenable number.

20339932 is a deficient number, since it is larger than the sum of its proper divisors (15469268).

20339932 is a wasteful number, since it uses less digits than its factorization.

20339932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620 (or 30618 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 20339932 is about 4509.9813746844. The cubic root of 20339932 is about 272.9709925483.

The spelling of 20339932 in words is "twenty million, three hundred thirty-nine thousand, nine hundred thirty-two".