20593968 has 40 divisors (see below), whose sum is σ = 53382000. Its totient is φ = 6841344.

The previous prime is 20593949. The next prime is 20593997. The reversal of 20593968 is 86939502.

It is a super-2 number, since 2×20593968² = 848223035970048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19108 + ... + 20156.

It is an arithmetic number, because the mean of its divisors is an integer number (1334550).

Almost surely, 2^20593968 is an apocalyptic number.

It is an amenable number.

20593968 is an abundant number, since it is smaller than the sum of its proper divisors (32788032).

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

20593968 is a wasteful number, since it uses less digits than its factorization.

20593968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 20593968 is about 4538.0577343176. The cubic root of 20593968 is about 274.1027195808.

The spelling of 20593968 in words is "twenty million, five hundred ninety-three thousand, nine hundred sixty-eight".