5220707520 has 448 divisors, whose sum is σ = 20599603200. Its totient is φ = 1093201920.

The previous prime is 5220707507. The next prime is 5220707521. The reversal of 5220707520 is 257070225.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is not an unprimeable number, because it can be changed into a prime (5220707521) 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, 3957421 + ... + 3958739.

Almost surely, 2^5220707520 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 5220707520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10299801600).

5220707520 is an abundant number, since it is smaller than the sum of its proper divisors (15378895680).

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

5220707520 is a wasteful number, since it uses less digits than its factorization.

5220707520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 5220707520 is about 72254.4636683437. The cubic root of 5220707520 is about 1734.7748652446.

Adding to 5220707520 its reverse (257070225), we get a palindrome (5477777745).

The spelling of 5220707520 in words is "five billion, two hundred twenty million, seven hundred seven thousand, five hundred twenty".