20164696 has 8 divisors (see below), whose sum is σ = 37808820. Its totient is φ = 10082344.

The previous prime is 20164649. The next prime is 20164733. The reversal of 20164696 is 69646102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20164696² = 813229929544832, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1260286 + ... + 1260301.

Almost surely, 2^20164696 is an apocalyptic number.

It is an amenable number.

20164696 is a deficient number, since it is larger than the sum of its proper divisors (17644124).

20164696 is a wasteful number, since it uses less digits than its factorization.

20164696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520593 (or 2520589 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 20164696 is about 4490.5117748426. The cubic root of 20164696 is about 272.1848152836.

The spelling of 20164696 in words is "twenty million, one hundred sixty-four thousand, six hundred ninety-six".