52015641324220 has 24 divisors (see below), whose sum is σ = 124837539178464. Its totient is φ = 17833934168256.

The previous prime is 52015641324191. The next prime is 52015641324289. The reversal of 52015641324220 is 2242314651025.

It is a self number, because there is not a number n which added to its sum of digits gives 52015641324220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185770147447 + ... + 185770147726.

It is an arithmetic number, because the mean of its divisors is an integer number (5201564132436).

Almost surely, 2^{52015641324220} is an apocalyptic number.

It is an amenable number.

52015641324220 is an abundant number, since it is smaller than the sum of its proper divisors (72821897854244).

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

52015641324220 is a wasteful number, since it uses less digits than its factorization.

52015641324220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371540295189 (or 371540295187 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 52015641324220 its reverse (2242314651025), we get a palindrome (54257955975245).

The spelling of 52015641324220 in words is "fifty-two trillion, fifteen billion, six hundred forty-one million, three hundred twenty-four thousand, two hundred twenty".