320033120232 has 96 divisors (see below), whose sum is σ = 932259222720. Its totient is φ = 91285689600.

The previous prime is 320033120221. The next prime is 320033120243. The reversal of 320033120232 is 232021330023.

It is an interprime number because it is at equal distance from previous prime (320033120221) and next prime (320033120243).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 320033120199 and 320033120208.

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, 480373 + ... + 933179.

It is an arithmetic number, because the mean of its divisors is an integer number (9711033570).

Almost surely, 2^320033120232 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 320033120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466129611360).

320033120232 is an abundant number, since it is smaller than the sum of its proper divisors (612226102488).

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

320033120232 is a wasteful number, since it uses less digits than its factorization.

320033120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453431 (or 453420 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320033120232 its reverse (232021330023), we get a palindrome (552054450255).

The spelling of 320033120232 in words is "three hundred twenty billion, thirty-three million, one hundred twenty thousand, two hundred thirty-two".