20338612 has 12 divisors (see below), whose sum is σ = 40677280. Its totient is φ = 8716536.

The previous prime is 20338561. The next prime is 20338621. The reversal of 20338612 is 21683302.

20338612 is an admirable number.

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, 363162 + ... + 363217.

Almost surely, 2^20338612 is an apocalyptic number.

It is an amenable number.

20338612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20338612 is a wasteful number, since it uses less digits than its factorization.

20338612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726390 (or 726388 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20338612 is about 4509.8350302422. The cubic root of 20338612 is about 272.9650874236.

The spelling of 20338612 in words is "twenty million, three hundred thirty-eight thousand, six hundred twelve".