2526002220 has 96 divisors (see below), whose sum is σ = 8166670848. Its totient is φ = 571410432.

The previous prime is 2526002203. The next prime is 2526002257. The reversal of 2526002220 is 222006252.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9739 + ... + 71741.

It is an arithmetic number, because the mean of its divisors is an integer number (85069488).

Almost surely, 2^2526002220 is an apocalyptic number.

2526002220 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 2526002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4083335424).

2526002220 is an abundant number, since it is smaller than the sum of its proper divisors (5640668628).

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

2526002220 is a wasteful number, since it uses less digits than its factorization.

2526002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62119 (or 62117 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2526002220 is about 50259.3495779641. The cubic root of 2526002220 is about 1361.8979807621.

Adding to 2526002220 its reverse (222006252), we get a palindrome (2748008472).

The spelling of 2526002220 in words is "two billion, five hundred twenty-six million, two thousand, two hundred twenty".