20328196 has 12 divisors (see below), whose sum is σ = 40656448. Its totient is φ = 8712072.

The previous prime is 20328167. The next prime is 20328221. The reversal of 20328196 is 69182302.

20328196 is an admirable number.

It is a super-2 number, since 2×20328196² = 826471105228832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 362976 + ... + 363031.

Almost surely, 2^20328196 is an apocalyptic number.

It is an amenable number.

20328196 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.

20328196 is a wasteful number, since it uses less digits than its factorization.

20328196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726018 (or 726016 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 20328196 is about 4508.6800729260. The cubic root of 20328196 is about 272.9184816563.

The spelling of 20328196 in words is "twenty million, three hundred twenty-eight thousand, one hundred ninety-six".