2003212320 has 48 divisors (see below), whose sum is σ = 6310120320. Its totient is φ = 534189824.

The previous prime is 2003212303. The next prime is 2003212361. The reversal of 2003212320 is 232123002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2003212320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086200 + ... + 2087159.

It is an arithmetic number, because the mean of its divisors is an integer number (131460840).

Almost surely, 2^2003212320 is an apocalyptic number.

2003212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003212320 is an abundant number, since it is smaller than the sum of its proper divisors (4306908000).

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

2003212320 is a wasteful number, since it uses less digits than its factorization.

2003212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173377 (or 4173369 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2003212320 is about 44757.2599697524. The cubic root of 2003212320 is about 1260.5952340056.

Adding to 2003212320 its reverse (232123002), we get a palindrome (2235335322).

The spelling of 2003212320 in words is "two billion, three million, two hundred twelve thousand, three hundred twenty".