20325888 has 120 divisors (see below), whose sum is σ = 64154376. Its totient is φ = 6144000.

The previous prime is 20325883. The next prime is 20325941. The reversal of 20325888 is 88852302.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50488 + ... + 50888.

Almost surely, 2^20325888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20325888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32077188).

20325888 is an abundant number, since it is smaller than the sum of its proper divisors (43828488).

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

20325888 is a wasteful number, since it uses less digits than its factorization.

20325888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 20325888 is about 4508.4241149209. The cubic root of 20325888 is about 272.9081524942.

The spelling of 20325888 in words is "twenty million, three hundred twenty-five thousand, eight hundred eighty-eight".