2057170720 has 48 divisors (see below), whose sum is σ = 5301894528. Its totient is φ = 748061440.

The previous prime is 2057170699. The next prime is 2057170721. The reversal of 2057170720 is 270717502.

It is not an unprimeable number, because it can be changed into a prime (2057170721) 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, 582664 + ... + 586183.

It is an arithmetic number, because the mean of its divisors is an integer number (110456136).

Almost surely, 2^2057170720 is an apocalyptic number.

2057170720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057170720 is an abundant number, since it is smaller than the sum of its proper divisors (3244723808).

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

2057170720 is a wasteful number, since it uses less digits than its factorization.

2057170720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168873 (or 1168865 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 2057170720 is about 45356.0439191956. The cubic root of 2057170720 is about 1271.8135414888.

The spelling of 2057170720 in words is "two billion, fifty-seven million, one hundred seventy thousand, seven hundred twenty".