2056572720 has 80 divisors (see below), whose sum is σ = 7083757920. Its totient is φ = 548418816.

The previous prime is 2056572709. The next prime is 2056572731. The reversal of 2056572720 is 272756502.

2056572720 is a `hidden beast` number, since 2 + 0 + 565 + 72 + 7 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (2056572709) and next prime (2056572731).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473899 + ... + 478218.

It is an arithmetic number, because the mean of its divisors is an integer number (88546974).

Almost surely, 2^2056572720 is an apocalyptic number.

2056572720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056572720 is an abundant number, since it is smaller than the sum of its proper divisors (5027185200).

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

2056572720 is a wasteful number, since it uses less digits than its factorization.

2056572720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952139 (or 952127 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 2056572720 is about 45349.4511543414. The cubic root of 2056572720 is about 1271.6902948380.

The spelling of 2056572720 in words is "two billion, fifty-six million, five hundred seventy-two thousand, seven hundred twenty".