32023302220 has 144 divisors (see below), whose sum is σ = 89202163680. Its totient is φ = 9538615296.

The previous prime is 32023302193. The next prime is 32023302307. The reversal of 32023302220 is 2220332023.

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, 142651 + ... + 290509.

It is an arithmetic number, because the mean of its divisors is an integer number (619459470).

Almost surely, 2^32023302220 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 32023302220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44601081840).

32023302220 is an abundant number, since it is smaller than the sum of its proper divisors (57178861460).

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

32023302220 is a wasteful number, since it uses less digits than its factorization.

32023302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147912 (or 147903 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 32023302220 its reverse (2220332023), we get a palindrome (34243634243).

The spelling of 32023302220 in words is "thirty-two billion, twenty-three million, three hundred two thousand, two hundred twenty".