2520120260 has 96 divisors (see below), whose sum is σ = 6197990400. Its totient is φ = 842784768.

The previous prime is 2520120257. The next prime is 2520120269. The reversal of 2520120260 is 620210252.

It is a super-2 number, since 2×2520120260² = 12702012249724935200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2520120269) 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, 2953994 + ... + 2954846.

It is an arithmetic number, because the mean of its divisors is an integer number (64562400).

Almost surely, 2^2520120260 is an apocalyptic number.

2520120260 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 2520120260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3098995200).

2520120260 is an abundant number, since it is smaller than the sum of its proper divisors (3677870140).

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

2520120260 is a wasteful number, since it uses less digits than its factorization.

2520120260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2520120260 is about 50200.7993960256. The cubic root of 2520120260 is about 1360.8400699394.

The spelling of 2520120260 in words is "two billion, five hundred twenty million, one hundred twenty thousand, two hundred sixty".