2510220 has 96 divisors (see below), whose sum is σ = 7838208. Its totient is φ = 596992.

The previous prime is 2510219. The next prime is 2510227. The reversal of 2510220 is 220152.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2510196 and 2510205.

It is not an unprimeable number, because it can be changed into a prime (2510227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23407 + ... + 23513.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

2^2510220 is an apocalyptic number.

2510220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2510220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3919104).

2510220 is an abundant number, since it is smaller than the sum of its proper divisors (5327988).

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

2510220 is a wasteful number, since it uses less digits than its factorization.

2510220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2510220 is about 1584.3673816385. The cubic root of 2510220 is about 135.9055717061.

Adding to 2510220 its reverse (220152), we get a palindrome (2730372).

The spelling of 2510220 in words is "two million, five hundred ten thousand, two hundred twenty".