20038332 has 12 divisors (see below), whose sum is σ = 46756136. Its totient is φ = 6679440.

The previous prime is 20038327. The next prime is 20038339. The reversal of 20038332 is 23383002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20038299 and 20038308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20038339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834919 + ... + 834942.

Almost surely, 2^20038332 is an apocalyptic number.

It is an amenable number.

20038332 is an abundant number, since it is smaller than the sum of its proper divisors (26717804).

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

20038332 is a wasteful number, since it uses less digits than its factorization.

20038332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669868 (or 1669866 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20038332 is about 4476.4195513826. The cubic root of 20038332 is about 271.6150660816.

The spelling of 20038332 in words is "twenty million, thirty-eight thousand, three hundred thirty-two".