20035164 has 12 divisors (see below), whose sum is σ = 46748744. Its totient is φ = 6678384.

The previous prime is 20035159. The next prime is 20035187. The reversal of 20035164 is 46153002.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20035164.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 834787 + ... + 834810.

Almost surely, 2^20035164 is an apocalyptic number.

It is an amenable number.

20035164 is an abundant number, since it is smaller than the sum of its proper divisors (26713580).

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

20035164 is a wasteful number, since it uses less digits than its factorization.

20035164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669604 (or 1669602 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20035164 is about 4476.0656831642. The cubic root of 20035164 is about 271.6007514857.

Adding to 20035164 its reverse (46153002), we get a palindrome (66188166).

The spelling of 20035164 in words is "twenty million, thirty-five thousand, one hundred sixty-four".