20332308 has 12 divisors (see below), whose sum is σ = 47442080. Its totient is φ = 6777432.

The previous prime is 20332297. The next prime is 20332313. The reversal of 20332308 is 80323302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847168 + ... + 847191.

Almost surely, 2^20332308 is an apocalyptic number.

It is an amenable number.

20332308 is an abundant number, since it is smaller than the sum of its proper divisors (27109772).

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

20332308 is a wasteful number, since it uses less digits than its factorization.

20332308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694366 (or 1694364 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20332308 is about 4509.1360591581. The cubic root of 20332308 is about 272.9368824551.

The spelling of 20332308 in words is "twenty million, three hundred thirty-two thousand, three hundred eight".