2120317938 has 32 divisors (see below), whose sum is σ = 4714286400. Its totient is φ = 706402368.

The previous prime is 2120317937. The next prime is 2120317957. The reversal of 2120317938 is 8397130212.

It is not an unprimeable number, because it can be changed into a prime (2120317937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105745 + ... + 124187.

It is an arithmetic number, because the mean of its divisors is an integer number (147321450).

Almost surely, 2^2120317938 is an apocalyptic number.

2120317938 is an abundant number, since it is smaller than the sum of its proper divisors (2593968462).

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

2120317938 is a wasteful number, since it uses less digits than its factorization.

2120317938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20583 (or 20577 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2120317938 is about 46046.9101895013. The cubic root of 2120317938 is about 1284.6958735622.

The spelling of 2120317938 in words is "two billion, one hundred twenty million, three hundred seventeen thousand, nine hundred thirty-eight".