52130100220 has 24 divisors (see below), whose sum is σ = 119425321008. Its totient is φ = 18956400000.

The previous prime is 52130100203. The next prime is 52130100271. The reversal of 52130100220 is 2200103125.

52130100220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52130100194 and 52130100203.

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, 118477281 + ... + 118477720.

It is an arithmetic number, because the mean of its divisors is an integer number (4976055042).

Almost surely, 2^52130100220 is an apocalyptic number.

It is an amenable number.

52130100220 is an abundant number, since it is smaller than the sum of its proper divisors (67295220788).

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

52130100220 is a wasteful number, since it uses less digits than its factorization.

52130100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236955021 (or 236955019 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 52130100220 its reverse (2200103125), we get a palindrome (54330203345).

The spelling of 52130100220 in words is "fifty-two billion, one hundred thirty million, one hundred thousand, two hundred twenty".