20164708 has 12 divisors (see below), whose sum is σ = 35486640. Its totient is φ = 10025672.

The previous prime is 20164649. The next prime is 20164733. The reversal of 20164708 is 80746102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13366 + ... + 14797.

It is an arithmetic number, because the mean of its divisors is an integer number (2957220).

Almost surely, 2^20164708 is an apocalyptic number.

It is an amenable number.

20164708 is a deficient number, since it is larger than the sum of its proper divisors (15321932).

20164708 is a wasteful number, since it uses less digits than its factorization.

20164708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28346 (or 28344 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20164708 is about 4490.5131109930. The cubic root of 20164708 is about 272.1848692760.

It can be divided in two parts, 2016 and 4708, that added together give a square (6724 = 82²).

The spelling of 20164708 in words is "twenty million, one hundred sixty-four thousand, seven hundred eight".