32020322320 has 80 divisors (see below), whose sum is σ = 85167584640. Its totient is φ = 10967427072.

The previous prime is 32020322281. The next prime is 32020322333. The reversal of 32020322320 is 2322302023.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542584 + ... + 598696.

It is an arithmetic number, because the mean of its divisors is an integer number (1064594808).

Almost surely, 2^32020322320 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 32020322320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42583792320).

32020322320 is an abundant number, since it is smaller than the sum of its proper divisors (53147262320).

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

32020322320 is a wasteful number, since it uses less digits than its factorization.

32020322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57152 (or 57146 counting only the distinct ones).

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

Adding to 32020322320 its reverse (2322302023), we get a palindrome (34342624343).

The spelling of 32020322320 in words is "thirty-two billion, twenty million, three hundred twenty-two thousand, three hundred twenty".