2000256 has 32 divisors (see below), whose sum is σ = 5314200. Its totient is φ = 666624.

The previous prime is 2000249. The next prime is 2000261. The reversal of 2000256 is 6520002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221 + ... + 2988.

2^2000256 is an apocalyptic number.

It is an amenable number.

2000256 is an abundant number, since it is smaller than the sum of its proper divisors (3313944).

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

2000256 is an equidigital number, since it uses as much as digits as its factorization.

2000256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226 (or 5214 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2000256 is about 1414.3040691450. The cubic root of 2000256 is about 125.9974804233.

Adding to 2000256 its product of nonzero digits (120), we get a cube (2000376 = 126³).

Adding to 2000256 its reverse (6520002), we get a palindrome (8520258).

It can be divided in two parts, 2000 and 256, that multiplied together give a cube (512000 = 80³).

The spelling of 2000256 in words is "two million, two hundred fifty-six", and thus it is an aban number.