20595228 has 24 divisors (see below), whose sum is σ = 50882832. Its totient is φ = 6461184.

The previous prime is 20595163. The next prime is 20595229. The reversal of 20595228 is 82259502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20595229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50275 + ... + 50682.

It is an arithmetic number, because the mean of its divisors is an integer number (2120118).

Almost surely, 2^20595228 is an apocalyptic number.

It is an amenable number.

20595228 is an abundant number, since it is smaller than the sum of its proper divisors (30287604).

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

20595228 is a wasteful number, since it uses less digits than its factorization.

20595228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100981 (or 100979 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 20595228 is about 4538.1965581054. The cubic root of 20595228 is about 274.1083096057.

The spelling of 20595228 in words is "twenty million, five hundred ninety-five thousand, two hundred twenty-eight".