20057268938 has 16 divisors (see below), whose sum is σ = 34520883264. Its totient is φ = 8561724000.

The previous prime is 20057268937. The next prime is 20057268943. The reversal of 20057268938 is 83986275002.

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, 2850395 + ... + 2857422.

It is an arithmetic number, because the mean of its divisors is an integer number (2157555204).

Almost surely, 2^20057268938 is an apocalyptic number.

20057268938 is a deficient number, since it is larger than the sum of its proper divisors (14463614326).

20057268938 is a wasteful number, since it uses less digits than its factorization.

20057268938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708077.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 20057268938 in words is "twenty billion, fifty-seven million, two hundred sixty-eight thousand, nine hundred thirty-eight".