2003122331320 has 64 divisors (see below), whose sum is σ = 4917074531040. Its totient is φ = 728360755200.

The previous prime is 2003122331317. The next prime is 2003122331363. The reversal of 2003122331320 is 231332213002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2003122331291 and 2003122331300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7020240 + ... + 7300000.

Almost surely, 2^{2003122331320} is an apocalyptic number.

2003122331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003122331320 is an abundant number, since it is smaller than the sum of its proper divisors (2913952199720).

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

2003122331320 is a wasteful number, since it uses less digits than its factorization.

2003122331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296056 (or 296052 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2003122331320 its reverse (231332213002), we get a palindrome (2234454544322).

The spelling of 2003122331320 in words is "two trillion, three billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty".