32212100220 has 96 divisors (see below), whose sum is σ = 90674857728. Its totient is φ = 8544218112.

The previous prime is 32212100213. The next prime is 32212100251. The reversal of 32212100220 is 2200121223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32212100220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9721284 + ... + 9724596.

It is an arithmetic number, because the mean of its divisors is an integer number (944529768).

Almost surely, 2^32212100220 is an apocalyptic number.

32212100220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32212100220 is an abundant number, since it is smaller than the sum of its proper divisors (58462757508).

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

32212100220 is a wasteful number, since it uses less digits than its factorization.

32212100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32212100220 its reverse (2200121223), we get a palindrome (34412221443).

The spelling of 32212100220 in words is "thirty-two billion, two hundred twelve million, one hundred thousand, two hundred twenty".