20057268939 has 8 divisors (see below), whose sum is σ = 26764790160. Its totient is φ = 13360630176.

The previous prime is 20057268937. The next prime is 20057268943. The reversal of 20057268939 is 93986275002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20057268939 - 2¹ = 20057268937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20057268891 and 20057268900.

It is not an unprimeable number, because it can be changed into a prime (20057268937) 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, 2716312 + ... + 2723685.

It is an arithmetic number, because the mean of its divisors is an integer number (3345598770).

Almost surely, 2^20057268939 is an apocalyptic number.

20057268939 is a deficient number, since it is larger than the sum of its proper divisors (6707521221).

20057268939 is a wasteful number, since it uses less digits than its factorization.

20057268939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441229.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 20057268939 in words is "twenty billion, fifty-seven million, two hundred sixty-eight thousand, nine hundred thirty-nine".