2056870720 has 28 divisors (see below), whose sum is σ = 4897924164. Its totient is φ = 822748160.

The previous prime is 2056870691. The next prime is 2056870727. The reversal of 2056870720 is 270786502.

It can be written as a sum of positive squares in 2 ways, for example, as 687278656 + 1369592064 = 26216^2 + 37008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2056870720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056870727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3213541 + ... + 3214180.

It is an arithmetic number, because the mean of its divisors is an integer number (174925863).

Almost surely, 2^2056870720 is an apocalyptic number.

2056870720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056870720 is an abundant number, since it is smaller than the sum of its proper divisors (2841053444).

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

2056870720 is an equidigital number, since it uses as much as digits as its factorization.

2056870720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427738 (or 6427728 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2056870720 is about 45352.7366318726. The cubic root of 2056870720 is about 1271.7517150512.

The spelling of 2056870720 in words is "two billion, fifty-six million, eight hundred seventy thousand, seven hundred twenty".