52135324220 has 24 divisors (see below), whose sum is σ = 125124778464. Its totient is φ = 17874968256.

The previous prime is 52135324201. The next prime is 52135324223. The reversal of 52135324220 is 2242353125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52135324223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186197447 + ... + 186197726.

It is an arithmetic number, because the mean of its divisors is an integer number (5213532436).

Almost surely, 2^52135324220 is an apocalyptic number.

It is an amenable number.

52135324220 is an abundant number, since it is smaller than the sum of its proper divisors (72989454244).

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

52135324220 is a wasteful number, since it uses less digits than its factorization.

52135324220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372395189 (or 372395187 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 52135324220 its reverse (2242353125), we get a palindrome (54377677345).

The spelling of 52135324220 in words is "fifty-two billion, one hundred thirty-five million, three hundred twenty-four thousand, two hundred twenty".