52454120220 has 72 divisors (see below), whose sum is σ = 159133469040. Its totient is φ = 13985775360.

The previous prime is 52454120219. The next prime is 52454120231. The reversal of 52454120220 is 2202145425.

52454120220 is a `hidden beast` number, since 5 + 2 + 454 + 1 + 202 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1598175 + ... + 1630665.

It is an arithmetic number, because the mean of its divisors is an integer number (2210187070).

Almost surely, 2^52454120220 is an apocalyptic number.

It is an amenable number.

52454120220 is an abundant number, since it is smaller than the sum of its proper divisors (106679348820).

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

52454120220 is a wasteful number, since it uses less digits than its factorization.

52454120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41475 (or 41470 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 52454120220 its reverse (2202145425), we get a palindrome (54656265645).

The spelling of 52454120220 in words is "fifty-two billion, four hundred fifty-four million, one hundred twenty thousand, two hundred twenty".