2500130515220 has 48 divisors (see below), whose sum is σ = 5674262984208. Its totient is φ = 919839943680.

The previous prime is 2500130515217. The next prime is 2500130515231. The reversal of 2500130515220 is 225150310052.

It can be written as a sum of positive squares in 8 ways, for example, as 80295156496 + 2419835358724 = 283364^2 + 1555582^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2500130515220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17037059 + ... + 17183178.

It is an arithmetic number, because the mean of its divisors is an integer number (118213812171).

Almost surely, 2^{2500130515220} is an apocalyptic number.

2500130515220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500130515220 is an abundant number, since it is smaller than the sum of its proper divisors (3174132468988).

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

2500130515220 is a wasteful number, since it uses less digits than its factorization.

2500130515220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34220540 (or 34220538 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 2500130515220 its reverse (225150310052), we get a palindrome (2725280825272).

The spelling of 2500130515220 in words is "two trillion, five hundred billion, one hundred thirty million, five hundred fifteen thousand, two hundred twenty".