2256670620 has 72 divisors (see below), whose sum is σ = 6899203584. Its totient is φ = 597034368.

The previous prime is 2256670609. The next prime is 2256670639. The reversal of 2256670620 is 260766522.

2256670620 is a `hidden beast` number, since 2 + 2 + 566 + 70 + 6 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26499 + ... + 72218.

It is an arithmetic number, because the mean of its divisors is an integer number (95822272).

Almost surely, 2^2256670620 is an apocalyptic number.

2256670620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256670620 is an abundant number, since it is smaller than the sum of its proper divisors (4642532964).

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

2256670620 is a wasteful number, since it uses less digits than its factorization.

2256670620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98859 (or 98854 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2256670620 is about 47504.4273726144. The cubic root of 2256670620 is about 1311.6643802138.

The spelling of 2256670620 in words is "two billion, two hundred fifty-six million, six hundred seventy thousand, six hundred twenty".