7520157283220 has 96 divisors (see below), whose sum is σ = 16507636862976. Its totient is φ = 2872273219200.

The previous prime is 7520157283213. The next prime is 7520157283229. The reversal of 7520157283220 is 223827510257.

It is a super-2 number, since 2×7520157283220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520157283229) 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, 996439487 + ... + 996447033.

It is an arithmetic number, because the mean of its divisors is an integer number (171954550656).

Almost surely, 2^{7520157283220} 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 7520157283220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8253818431488).

7520157283220 is an abundant number, since it is smaller than the sum of its proper divisors (8987479579756).

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

7520157283220 is a wasteful number, since it uses less digits than its factorization.

7520157283220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061 (or 11059 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 7520157283220 in words is "seven trillion, five hundred twenty billion, one hundred fifty-seven million, two hundred eighty-three thousand, two hundred twenty".