52020035520 has 56 divisors (see below), whose sum is σ = 165163615824. Its totient is φ = 13872009216.

The previous prime is 52020035519. The next prime is 52020035527. The reversal of 52020035520 is 2553002025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52020035527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27092809 + ... + 27094728.

Almost surely, 2^52020035520 is an apocalyptic number.

It is an amenable number.

52020035520 is an abundant number, since it is smaller than the sum of its proper divisors (113143580304).

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

52020035520 is a wasteful number, since it uses less digits than its factorization.

52020035520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54187557 (or 54187547 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

Adding to 52020035520 its reverse (2553002025), we get a palindrome (54573037545).

The spelling of 52020035520 in words is "fifty-two billion, twenty million, thirty-five thousand, five hundred twenty".