2013320123320 has 128 divisors (see below), whose sum is σ = 5006913186240. Its totient is φ = 722510807040.

The previous prime is 2013320123317. The next prime is 2013320123369. The reversal of 2013320123320 is 233210233102.

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 = 2013320123291 and 2013320123300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14999224 + ... + 15132856.

Almost surely, 2^{2013320123320} is an apocalyptic number.

2013320123320 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 2013320123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2503456593120).

2013320123320 is an abundant number, since it is smaller than the sum of its proper divisors (2993593062920).

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

2013320123320 is a wasteful number, since it uses less digits than its factorization.

2013320123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134105 (or 134101 counting only the distinct ones).

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

Adding to 2013320123320 its reverse (233210233102), we get a palindrome (2246530356422).

The spelling of 2013320123320 in words is "two trillion, thirteen billion, three hundred twenty million, one hundred twenty-three thousand, three hundred twenty".