20330608 has 20 divisors (see below), whose sum is σ = 41464360. Its totient is φ = 9630144.

The previous prime is 20330591. The next prime is 20330647. The reversal of 20330608 is 80603302.

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 in 3 ways as a sum of consecutive naturals, for example, 33135 + ... + 33742.

It is an arithmetic number, because the mean of its divisors is an integer number (2073218).

Almost surely, 2^20330608 is an apocalyptic number.

It is an amenable number.

20330608 is an abundant number, since it is smaller than the sum of its proper divisors (21133752).

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

20330608 is a wasteful number, since it uses less digits than its factorization.

20330608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66904 (or 66898 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20330608 is about 4508.9475490407. The cubic root of 20330608 is about 272.9292754218.

The spelling of 20330608 in words is "twenty million, three hundred thirty thousand, six hundred eight".