52431123220 has 24 divisors (see below), whose sum is σ = 125834696064. Its totient is φ = 17976385056.

The previous prime is 52431123167. The next prime is 52431123259. The reversal of 52431123220 is 2232113425.

It is a super-2 number, since 2×52431123220² (a number of 22 digits) contains 22 as substring.

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, 187253872 + ... + 187254151.

It is an arithmetic number, because the mean of its divisors is an integer number (5243112336).

Almost surely, 2^52431123220 is an apocalyptic number.

It is an amenable number.

52431123220 is an abundant number, since it is smaller than the sum of its proper divisors (73403572844).

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

52431123220 is a wasteful number, since it uses less digits than its factorization.

52431123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374508039 (or 374508037 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 52431123220 its reverse (2232113425), we get a palindrome (54663236645).

The spelling of 52431123220 in words is "fifty-two billion, four hundred thirty-one million, one hundred twenty-three thousand, two hundred twenty".