20059493728 has 24 divisors (see below), whose sum is σ = 39861220392. Its totient is φ = 9936009216.

The previous prime is 20059493719. The next prime is 20059493731. The reversal of 20059493728 is 82739495002.

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, 2925825 + ... + 2932672.

It is an arithmetic number, because the mean of its divisors is an integer number (1660884183).

Almost surely, 2^20059493728 is an apocalyptic number.

It is an amenable number.

20059493728 is a deficient number, since it is larger than the sum of its proper divisors (19801726664).

20059493728 is a wasteful number, since it uses less digits than its factorization.

20059493728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858614 (or 5858606 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 20059493728 in words is "twenty billion, fifty-nine million, four hundred ninety-three thousand, seven hundred twenty-eight".