2560920 has 32 divisors (see below), whose sum is σ = 7683120. Its totient is φ = 682880.

The previous prime is 2560891. The next prime is 2560927. The reversal of 2560920 is 290652.

It is a super-2 number, since 2×2560920² = 13116622492800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10551 + ... + 10790.

2^2560920 is an apocalyptic number.

2560920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2560920 is an abundant number, since it is smaller than the sum of its proper divisors (5122200).

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

2560920 is a wasteful number, since it uses less digits than its factorization.

2560920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21355 (or 21351 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2560920 is about 1600.2874741746. The cubic root of 2560920 is about 136.8144610410.

The spelling of 2560920 in words is "two million, five hundred sixty thousand, nine hundred twenty".