32321201022220 has 144 divisors (see below), whose sum is σ = 77278987447200. Its totient is φ = 11333106892800.

The previous prime is 32321201022179. The next prime is 32321201022233. The reversal of 32321201022220 is 2222010212323.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 32321201022191 and 32321201022200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53668975 + ... + 54267865.

It is an arithmetic number, because the mean of its divisors is an integer number (536659635050).

Almost surely, 2^{32321201022220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32321201022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38639493723600).

32321201022220 is an abundant number, since it is smaller than the sum of its proper divisors (44957786424980).

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

32321201022220 is a wasteful number, since it uses less digits than its factorization.

32321201022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599720 (or 599707 counting only the distinct ones).

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

Adding to 32321201022220 its reverse (2222010212323), we get a palindrome (34543211234543).

The spelling of 32321201022220 in words is "thirty-two trillion, three hundred twenty-one billion, two hundred one million, twenty-two thousand, two hundred twenty".