20325902 has 8 divisors (see below), whose sum is σ = 31137696. Its totient is φ = 9946672.

The previous prime is 20325883. The next prime is 20325941. The reversal of 20325902 is 20952302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20325902² = 826284584227208, which contains 22 as substring.

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, 108023 + ... + 108210.

It is an arithmetic number, because the mean of its divisors is an integer number (3892212).

Almost surely, 2^20325902 is an apocalyptic number.

20325902 is a deficient number, since it is larger than the sum of its proper divisors (10811794).

20325902 is a wasteful number, since it uses less digits than its factorization.

20325902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216282.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20325902 is about 4508.4256675696. The cubic root of 20325902 is about 272.9082151518.

The spelling of 20325902 in words is "twenty million, three hundred twenty-five thousand, nine hundred two".