2003320120 has 128 divisors (see below), whose sum is σ = 4930295040. Its totient is φ = 729630720.

The previous prime is 2003320097. The next prime is 2003320133. The reversal of 2003320120 is 210233002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003320120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3830179 + ... + 3830701.

It is an arithmetic number, because the mean of its divisors is an integer number (38517930).

Almost surely, 2^2003320120 is an apocalyptic number.

2003320120 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 2003320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2465147520).

2003320120 is an abundant number, since it is smaller than the sum of its proper divisors (2926974920).

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

2003320120 is a wasteful number, since it uses less digits than its factorization.

2003320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2003320120 is about 44758.4642274509. The cubic root of 2003320120 is about 1260.6178459753.

Adding to 2003320120 its reverse (210233002), we get a palindrome (2213553122).

The spelling of 2003320120 in words is "two billion, three million, three hundred twenty thousand, one hundred twenty".