20595028 has 18 divisors (see below), whose sum is σ = 37680314. Its totient is φ = 9848784.

The previous prime is 20595023. The next prime is 20595037. The reversal of 20595028 is 82059502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19909444 + 685584 = 4462^2 + 828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20595023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2751 + ... + 6982.

Almost surely, 2^20595028 is an apocalyptic number.

It is an amenable number.

20595028 is a deficient number, since it is larger than the sum of its proper divisors (17085286).

20595028 is a wasteful number, since it uses less digits than its factorization.

20595028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9783 (or 9758 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 20595028 is about 4538.1745228671. The cubic root of 20595028 is about 274.1074223154.

The spelling of 20595028 in words is "twenty million, five hundred ninety-five thousand, twenty-eight".