20590072 has 16 divisors (see below), whose sum is σ = 40638600. Its totient is φ = 9753120.

The previous prime is 20590049. The next prime is 20590103. The reversal of 20590072 is 27009502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67579 + ... + 67882.

Almost surely, 2^20590072 is an apocalyptic number.

It is an amenable number.

20590072 is a deficient number, since it is larger than the sum of its proper divisors (20048528).

20590072 is a wasteful number, since it uses less digits than its factorization.

20590072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135486 (or 135482 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 20590072 is about 4537.6284554820. The cubic root of 20590072 is about 274.0854334262.

Adding to 20590072 its reverse (27009502), we get a palindrome (47599574).

The spelling of 20590072 in words is "twenty million, five hundred ninety thousand, seventy-two".