2003232320 has 84 divisors (see below), whose sum is σ = 5034764124. Its totient is φ = 759075840.

The previous prime is 2003232317. The next prime is 2003232323. The reversal of 2003232320 is 232323002.

It is an interprime number because it is at equal distance from previous prime (2003232317) and next prime (2003232323).

It can be written as a sum of positive squares in 2 ways, for example, as 1319723584 + 683508736 = 36328^2 + 26144^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003232323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106850 + ... + 124190.

Almost surely, 2^2003232320 is an apocalyptic number.

2003232320 is a gapful number since it is divisible by the number (20) 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 2003232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2517382062).

2003232320 is an abundant number, since it is smaller than the sum of its proper divisors (3031531804).

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

2003232320 is a wasteful number, since it uses less digits than its factorization.

2003232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17396 (or 17367 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 2003232320 is about 44757.4833966344. The cubic root of 2003232320 is about 1260.5994292375.

Adding to 2003232320 its reverse (232323002), we get a palindrome (2235555322).

The spelling of 2003232320 in words is "two billion, three million, two hundred thirty-two thousand, three hundred twenty".