2056876920 has 576 divisors, whose sum is σ = 8691040800. Its totient is φ = 419198976.

The previous prime is 2056876891. The next prime is 2056876993. The reversal of 2056876920 is 296786502.

2056876920 is a `hidden beast` number, since 2 + 0 + 568 + 7 + 69 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 108256671 + ... + 108256689.

Almost surely, 2^2056876920 is an apocalyptic number.

2056876920 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 2056876920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4345520400).

2056876920 is an abundant number, since it is smaller than the sum of its proper divisors (6634163880).

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

2056876920 is a wasteful number, since it uses less digits than its factorization.

2056876920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2056876920 is about 45352.8049849180. The cubic root of 2056876920 is about 1271.7529928585.

The spelling of 2056876920 in words is "two billion, fifty-six million, eight hundred seventy-six thousand, nine hundred twenty".