32103220032 has 84 divisors (see below), whose sum is σ = 99096421060. Its totient is φ = 9877911552.

The previous prime is 32103220031. The next prime is 32103220057. The reversal of 32103220032 is 23002230123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13526620416 + 18576599616 = 116304^2 + 136296^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32103219987 and 32103220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32103220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2136157 + ... + 2151132.

Almost surely, 2^32103220032 is an apocalyptic number.

32103220032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32103220032 is an abundant number, since it is smaller than the sum of its proper divisors (66993201028).

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

32103220032 is a wasteful number, since it uses less digits than its factorization.

32103220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287320 (or 4287307 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 32103220032 its reverse (23002230123), we get a palindrome (55105450155).

The spelling of 32103220032 in words is "thirty-two billion, one hundred three million, two hundred twenty thousand, thirty-two".