20328882 has 32 divisors (see below), whose sum is σ = 46818432. Its totient is φ = 5764224.

The previous prime is 20328877. The next prime is 20328887. The reversal of 20328882 is 28882302.

It is an interprime number because it is at equal distance from previous prime (20328877) and next prime (20328887).

It is not an unprimeable number, because it can be changed into a prime (20328887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3988 + ... + 7520.

It is an arithmetic number, because the mean of its divisors is an integer number (1463076).

Almost surely, 2^20328882 is an apocalyptic number.

20328882 is an abundant number, since it is smaller than the sum of its proper divisors (26489550).

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

20328882 is a wasteful number, since it uses less digits than its factorization.

20328882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 20328882 is about 4508.7561477640. The cubic root of 20328882 is about 272.9215516118.

The spelling of 20328882 in words is "twenty million, three hundred twenty-eight thousand, eight hundred eighty-two".