32221331220220 has 12 divisors (see below), whose sum is σ = 67664795562504. Its totient is φ = 12888532488080.

The previous prime is 32221331220217. The next prime is 32221331220227. The reversal of 32221331220220 is 2202213312223.

32221331220220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32221331220227) 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, 805533280486 + ... + 805533280525.

It is an arithmetic number, because the mean of its divisors is an integer number (5638732963542).

Almost surely, 2^{32221331220220} is an apocalyptic number.

It is an amenable number.

32221331220220 is an abundant number, since it is smaller than the sum of its proper divisors (35443464342284).

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

32221331220220 is a wasteful number, since it uses less digits than its factorization.

32221331220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611066561020 (or 1611066561018 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 32221331220220 its reverse (2202213312223), we get a palindrome (34423544532443).

The spelling of 32221331220220 in words is "thirty-two trillion, two hundred twenty-one billion, three hundred thirty-one million, two hundred twenty thousand, two hundred twenty".