13021303203320 has 64 divisors (see below), whose sum is σ = 31070503195200. Its totient is φ = 4894368675840.

The previous prime is 13021303203289. The next prime is 13021303203329. The reversal of 13021303203320 is 2330230312031.

It is a super-2 number, since 2×13021303203320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021303203329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14744435 + ... + 15602594.

It is an arithmetic number, because the mean of its divisors is an integer number (485476612425).

Almost surely, 2^{13021303203320} is an apocalyptic number.

13021303203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021303203320 is an abundant number, since it is smaller than the sum of its proper divisors (18049199991880).

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

13021303203320 is a wasteful number, since it uses less digits than its factorization.

13021303203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30347688 (or 30347684 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13021303203320 its reverse (2330230312031), we get a palindrome (15351533515351).

The spelling of 13021303203320 in words is "thirteen trillion, twenty-one billion, three hundred three million, two hundred three thousand, three hundred twenty".