20164602 has 8 divisors (see below), whose sum is σ = 40329216. Its totient is φ = 6721532.

The previous prime is 20164597. The next prime is 20164621. The reversal of 20164602 is 20646102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20164602 is an admirable number.

It is a super-2 number, since 2×20164602² = 813222347636808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680378 + ... + 1680389.

It is an arithmetic number, because the mean of its divisors is an integer number (5041152).

Almost surely, 2^20164602 is an apocalyptic number.

20164602 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.

20164602 is a wasteful number, since it uses less digits than its factorization.

20164602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360772.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20164602 is about 4490.5013083174. The cubic root of 20164602 is about 272.1843923429.

The spelling of 20164602 in words is "twenty million, one hundred sixty-four thousand, six hundred two".