32213220320 has 24 divisors (see below), whose sum is σ = 76103733384. Its totient is φ = 12885288064.

The previous prime is 32213220301. The next prime is 32213220353. The reversal of 32213220320 is 2302231223.

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 = 32213220292 and 32213220301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100666154 + ... + 100666473.

It is an arithmetic number, because the mean of its divisors is an integer number (3170988891).

Almost surely, 2^32213220320 is an apocalyptic number.

It is an amenable number.

32213220320 is an abundant number, since it is smaller than the sum of its proper divisors (43890513064).

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

32213220320 is a wasteful number, since it uses less digits than its factorization.

32213220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201332642 (or 201332634 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32213220320 its reverse (2302231223), we get a palindrome (34515451543).

The spelling of 32213220320 in words is "thirty-two billion, two hundred thirteen million, two hundred twenty thousand, three hundred twenty".