2520534120 has 128 divisors (see below), whose sum is σ = 8497440000. Its totient is φ = 593455104.

The previous prime is 2520534109. The next prime is 2520534127. The reversal of 2520534120 is 214350252.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2520534127) 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, 756 + ... + 71004.

It is an arithmetic number, because the mean of its divisors is an integer number (66386250).

Almost surely, 2^2520534120 is an apocalyptic number.

2520534120 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 2520534120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4248720000).

2520534120 is an abundant number, since it is smaller than the sum of its proper divisors (5976905880).

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

2520534120 is a wasteful number, since it uses less digits than its factorization.

2520534120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70299 (or 70295 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2520534120 is about 50204.9212727199. The cubic root of 2520534120 is about 1360.9145593005.

Adding to 2520534120 its reverse (214350252), we get a palindrome (2734884372).

The spelling of 2520534120 in words is "two billion, five hundred twenty million, five hundred thirty-four thousand, one hundred twenty".