5320520231520 has 384 divisors, whose sum is σ = 19105457817600. Its totient is φ = 1235096690688.

The previous prime is 5320520231473. The next prime is 5320520231527. The reversal of 5320520231520 is 251320250235.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5320520231527) 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, 7439401 + ... + 8123159.

It is an arithmetic number, because the mean of its divisors is an integer number (49753796400).

Almost surely, 2^{5320520231520} 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 5320520231520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9552728908800).

5320520231520 is an abundant number, since it is smaller than the sum of its proper divisors (13784937586080).

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

5320520231520 is a wasteful number, since it uses less digits than its factorization.

5320520231520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683862 (or 683854 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 5320520231520 its reverse (251320250235), we get a palindrome (5571840481755).

The spelling of 5320520231520 in words is "five trillion, three hundred twenty billion, five hundred twenty million, two hundred thirty-one thousand, five hundred twenty".