2505460220 has 48 divisors (see below), whose sum is σ = 5460467040. Its totient is φ = 964502784.

The previous prime is 2505460201. The next prime is 2505460241. The reversal of 2505460220 is 220645052.

It is a self number, because there is not a number n which added to its sum of digits gives 2505460220.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 177047 + ... + 190673.

It is an arithmetic number, because the mean of its divisors is an integer number (113759730).

Almost surely, 2^2505460220 is an apocalyptic number.

2505460220 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 2505460220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2730233520).

2505460220 is an abundant number, since it is smaller than the sum of its proper divisors (2955006820).

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

2505460220 is a wasteful number, since it uses less digits than its factorization.

2505460220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13982 (or 13980 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2505460220 is about 50054.5724185114. The cubic root of 2505460220 is about 1358.1961776360.

The spelling of 2505460220 in words is "two billion, five hundred five million, four hundred sixty thousand, two hundred twenty".