2003320 has 64 divisors (see below), whose sum is σ = 5119200. Its totient is φ = 698880.

The previous prime is 2003299. The next prime is 2003321. The reversal of 2003320 is 233002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2003297 and 2003306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12682 + ... + 12838.

2^2003320 is an apocalyptic number.

2003320 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 2003320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2559600).

2003320 is an abundant number, since it is smaller than the sum of its proper divisors (3115880).

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

2003320 is a wasteful number, since it uses less digits than its factorization.

2003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 2003320 is about 1415.3868729079. The cubic root of 2003320 is about 126.0617820805.

Adding to 2003320 its reverse (233002), we get a palindrome (2236322).

The spelling of 2003320 in words is "two million, three thousand, three hundred twenty".