2056255620 has 96 divisors (see below), whose sum is σ = 6086707200. Its totient is φ = 517233024.

The previous prime is 2056255613. The next prime is 2056255631. The reversal of 2056255620 is 265526502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268687 + ... + 276233.

It is an arithmetic number, because the mean of its divisors is an integer number (63403200).

Almost surely, 2^2056255620 is an apocalyptic number.

2056255620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2056255620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3043353600).

2056255620 is an abundant number, since it is smaller than the sum of its proper divisors (4030451580).

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

2056255620 is a wasteful number, since it uses less digits than its factorization.

2056255620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817 (or 7815 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2056255620 is about 45345.9548361262. The cubic root of 2056255620 is about 1271.6249314438.

The spelling of 2056255620 in words is "two billion, fifty-six million, two hundred fifty-five thousand, six hundred twenty".