32104431220 has 24 divisors (see below), whose sum is σ = 67423008744. Its totient is φ = 12841067136.

The previous prime is 32104431193. The next prime is 32104431223. The reversal of 32104431220 is 2213440123.

It can be written as a sum of positive squares in 4 ways, for example, as 4243480164 + 27860951056 = 65142^2 + 166916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32104431191 and 32104431200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32104431223) 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, 482622 + ... + 545098.

It is an arithmetic number, because the mean of its divisors is an integer number (2809292031).

Almost surely, 2^32104431220 is an apocalyptic number.

It is an amenable number.

32104431220 is an abundant number, since it is smaller than the sum of its proper divisors (35318577524).

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

32104431220 is a wasteful number, since it uses less digits than its factorization.

32104431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88179 (or 88177 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 32104431220 its reverse (2213440123), we get a palindrome (34317871343).

The spelling of 32104431220 in words is "thirty-two billion, one hundred four million, four hundred thirty-one thousand, two hundred twenty".