2040520 has 32 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 808128.

The previous prime is 2040497. The next prime is 2040539. The reversal of 2040520 is 250402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5377 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (144900).

2^2040520 is an apocalyptic number.

2040520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040520 is an abundant number, since it is smaller than the sum of its proper divisors (2596280).

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

2040520 is a wasteful number, since it uses less digits than its factorization.

2040520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 2040520 is about 1428.4677105206. The cubic root of 2040520 is about 126.8372893013.

Adding to 2040520 its reverse (250402), we get a palindrome (2290922).

The spelling of 2040520 in words is "two million, forty thousand, five hundred twenty".