2520120322272 has 384 divisors, whose sum is σ = 7900843991040. Its totient is φ = 688142407680.

The previous prime is 2520120322271. The next prime is 2520120322277. The reversal of 2520120322272 is 2722230210252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520120322271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1243274923 + ... + 1243276949.

It is an arithmetic number, because the mean of its divisors is an integer number (20575114560).

Almost surely, 2^{2520120322272} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2520120322272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950421995520).

2520120322272 is an abundant number, since it is smaller than the sum of its proper divisors (5380723668768).

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

2520120322272 is a wasteful number, since it uses less digits than its factorization.

2520120322272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694 (or 2686 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 2520120322272 in words is "two trillion, five hundred twenty billion, one hundred twenty million, three hundred twenty-two thousand, two hundred seventy-two".