2257020056 has 16 divisors (see below), whose sum is σ = 4275542040. Its totient is φ = 1116875520.

The previous prime is 2257020049. The next prime is 2257020067. The reversal of 2257020056 is 6500207522.

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 3 ways as a sum of consecutive naturals, for example, 1453490 + ... + 1455041.

Almost surely, 2^2257020056 is an apocalyptic number.

It is an amenable number.

2257020056 is a deficient number, since it is larger than the sum of its proper divisors (2018521984).

2257020056 is a wasteful number, since it uses less digits than its factorization.

2257020056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908634 (or 2908630 counting only the distinct ones).

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

The square root of 2257020056 is about 47508.1051611196. The cubic root of 2257020056 is about 1311.7320786327.

Adding to 2257020056 its reverse (6500207522), we get a palindrome (8757227578).

The spelling of 2257020056 in words is "two billion, two hundred fifty-seven million, twenty thousand, fifty-six".