32004121220 has 12 divisors (see below), whose sum is σ = 67208654604. Its totient is φ = 12801648480.

The previous prime is 32004121199. The next prime is 32004121229. The reversal of 32004121220 is 2212140023.

It can be written as a sum of positive squares in 2 ways, for example, as 14848884736 + 17155236484 = 121856^2 + 130978^2 .

It is not an unprimeable number, because it can be changed into a prime (32004121229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800103011 + ... + 800103050.

It is an arithmetic number, because the mean of its divisors is an integer number (5600721217).

Almost surely, 2^32004121220 is an apocalyptic number.

It is an amenable number.

32004121220 is an abundant number, since it is smaller than the sum of its proper divisors (35204533384).

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

32004121220 is a wasteful number, since it uses less digits than its factorization.

32004121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600206070 (or 1600206068 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 32004121220 its reverse (2212140023), we get a palindrome (34216261243).

The spelling of 32004121220 in words is "thirty-two billion, four million, one hundred twenty-one thousand, two hundred twenty".