32220100220 has 144 divisors (see below), whose sum is σ = 85136002560. Its totient is φ = 10026234240.

The previous prime is 32220100219. The next prime is 32220100243. The reversal of 32220100220 is 2200102223.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 32220100195 and 32220100204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14211527 + ... + 14213793.

It is an arithmetic number, because the mean of its divisors is an integer number (591222240).

Almost surely, 2^32220100220 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 32220100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42568001280).

32220100220 is an abundant number, since it is smaller than the sum of its proper divisors (52915902340).

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

32220100220 is a wasteful number, since it uses less digits than its factorization.

32220100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3131 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 32220100220 its reverse (2200102223), we get a palindrome (34420202443).

The spelling of 32220100220 in words is "thirty-two billion, two hundred twenty million, one hundred thousand, two hundred twenty".