20328652 has 18 divisors (see below), whose sum is σ = 36850268. Its totient is φ = 9812208.

The previous prime is 20328647. The next prime is 20328673. The reversal of 20328652 is 25682302.

It is a self number, because there is not a number n which added to its sum of digits gives 20328652.

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 5 ways as a sum of consecutive naturals, for example, 343 + ... + 6385.

Almost surely, 2^20328652 is an apocalyptic number.

It is an amenable number.

20328652 is a deficient number, since it is larger than the sum of its proper divisors (16521616).

20328652 is a wasteful number, since it uses less digits than its factorization.

20328652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105 (or 6074 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20328652 is about 4508.7306417660. The cubic root of 20328652 is about 272.9205223341.

The spelling of 20328652 in words is "twenty million, three hundred twenty-eight thousand, six hundred fifty-two".