32020322432 has 192 divisors, whose sum is σ = 79786684800. Its totient is φ = 12721895424.

The previous prime is 32020322429. The next prime is 32020322483. The reversal of 32020322432 is 23422302023.

It is a junction number, because it is equal to n+sod(n) for n = 32020322398 and 32020322407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5598038 + ... + 5603754.

It is an arithmetic number, because the mean of its divisors is an integer number (415555650).

Almost surely, 2^32020322432 is an apocalyptic number.

32020322432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32020322432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39893342400).

32020322432 is an abundant number, since it is smaller than the sum of its proper divisors (47766362368).

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

32020322432 is a wasteful number, since it uses less digits than its factorization.

32020322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811 (or 5792 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 32020322432 its reverse (23422302023), we get a palindrome (55442624455).

The spelling of 32020322432 in words is "thirty-two billion, twenty million, three hundred twenty-two thousand, four hundred thirty-two".