3201320032 has 96 divisors (see below), whose sum is σ = 6816700800. Its totient is φ = 1475324928.

The previous prime is 3201320011. The next prime is 3201320039. The reversal of 3201320032 is 2300231023.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3201319988 and 3201320015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201320039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3625063 + ... + 3625945.

It is an arithmetic number, because the mean of its divisors is an integer number (71007300).

Almost surely, 2^3201320032 is an apocalyptic number.

3201320032 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 3201320032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3408350400).

3201320032 is an abundant number, since it is smaller than the sum of its proper divisors (3615380768).

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

3201320032 is a wasteful number, since it uses less digits than its factorization.

3201320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3201320032 is about 56580.2088366595. The cubic root of 3201320032 is about 1473.8151982452.

Adding to 3201320032 its reverse (2300231023), we get a palindrome (5501551055).

The spelling of 3201320032 in words is "three billion, two hundred one million, three hundred twenty thousand, thirty-two".