2522020 has 24 divisors (see below), whose sum is σ = 5410944. Its totient is φ = 986976.

The previous prime is 2522017. The next prime is 2522021. The reversal of 2522020 is 202252.

It is not an unprimeable number, because it can be changed into a prime (2522021) 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, 402 + ... + 2281.

It is an arithmetic number, because the mean of its divisors is an integer number (225456).

2^2522020 is an apocalyptic number.

2522020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522020 is an abundant number, since it is smaller than the sum of its proper divisors (2888924).

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

2522020 is a wasteful number, since it uses less digits than its factorization.

2522020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739 (or 2737 counting only the distinct ones).

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

The square root of 2522020 is about 1588.0868993855. The cubic root of 2522020 is about 136.1181931003.

Adding to 2522020 its reverse (202252), we get a palindrome (2724272).

The spelling of 2522020 in words is "two million, five hundred twenty-two thousand, twenty".