32322202220 has 144 divisors (see below), whose sum is σ = 89882327808. Its totient is φ = 9636359040.

The previous prime is 32322202219. The next prime is 32322202261. The reversal of 32322202220 is 2220222323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32322202192 and 32322202201.

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, 182759 + ... + 313121.

It is an arithmetic number, because the mean of its divisors is an integer number (624182832).

Almost surely, 2^32322202220 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 32322202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44941163904).

32322202220 is an abundant number, since it is smaller than the sum of its proper divisors (57560125588).

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

32322202220 is a wasteful number, since it uses less digits than its factorization.

32322202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130420 (or 130411 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 32322202220 its reverse (2220222323), we get a palindrome (34542424543).

The spelling of 32322202220 in words is "thirty-two billion, three hundred twenty-two million, two hundred two thousand, two hundred twenty".