20338974 has 24 divisors (see below), whose sum is σ = 45260280. Its totient is φ = 6596208.

The previous prime is 20338951. The next prime is 20338979. The reversal of 20338974 is 47983302.

20338974 is a `hidden beast` number, since 203 + 389 + 74 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20338979) 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 11 ways as a sum of consecutive naturals, for example, 14604 + ... + 15935.

It is an arithmetic number, because the mean of its divisors is an integer number (1885845).

Almost surely, 2^20338974 is an apocalyptic number.

20338974 is an abundant number, since it is smaller than the sum of its proper divisors (24921306).

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

20338974 is a wasteful number, since it uses less digits than its factorization.

20338974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30584 (or 30581 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 20338974 is about 4509.8751645694. The cubic root of 20338974 is about 272.9667068847.

It can be divided in two parts, 20338 and 974, that added together give a palindrome (21312).

The spelling of 20338974 in words is "twenty million, three hundred thirty-eight thousand, nine hundred seventy-four".