2256705020 has 48 divisors (see below), whose sum is σ = 4842488448. Its totient is φ = 883084800.

The previous prime is 2256704959. The next prime is 2256705023. The reversal of 2256705020 is 205076522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256705023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386120 + ... + 391920.

It is an arithmetic number, because the mean of its divisors is an integer number (100885176).

Almost surely, 2^2256705020 is an apocalyptic number.

2256705020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256705020 is an abundant number, since it is smaller than the sum of its proper divisors (2585783428).

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

2256705020 is a wasteful number, since it uses less digits than its factorization.

2256705020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230 (or 6228 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2256705020 is about 47504.7894427499. The cubic root of 2256705020 is about 1311.6710450508.

The spelling of 2256705020 in words is "two billion, two hundred fifty-six million, seven hundred five thousand, twenty".