32012223220 has 24 divisors (see below), whose sum is σ = 67348590624. Its totient is φ = 12781475616.

The previous prime is 32012223203. The next prime is 32012223263. The reversal of 32012223220 is 2232221023.

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, 1452142 + ... + 1474021.

It is an arithmetic number, because the mean of its divisors is an integer number (2806191276).

Almost surely, 2^32012223220 is an apocalyptic number.

It is an amenable number.

32012223220 is an abundant number, since it is smaller than the sum of its proper divisors (35336367404).

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

32012223220 is a wasteful number, since it uses less digits than its factorization.

32012223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926719 (or 2926717 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 32012223220 its reverse (2232221023), we get a palindrome (34244444243).

The spelling of 32012223220 in words is "thirty-two billion, twelve million, two hundred twenty-three thousand, two hundred twenty".