13201220000320 has 112 divisors (see below), whose sum is σ = 36310414641408. Its totient is φ = 4518064578560.

The previous prime is 13201220000317. The next prime is 13201220000321. The reversal of 13201220000320 is 2300002210231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13201220000294 and 13201220000303.

It is not an unprimeable number, because it can be changed into a prime (13201220000321) 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, 110244472 + ... + 110364151.

Almost surely, 2^{13201220000320} is an apocalyptic number.

13201220000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201220000320 is an abundant number, since it is smaller than the sum of its proper divisors (23109194641088).

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

13201220000320 is a wasteful number, since it uses less digits than its factorization.

13201220000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220608668 (or 220608658 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13201220000320 its reverse (2300002210231), we get a palindrome (15501222210551).

The spelling of 13201220000320 in words is "thirteen trillion, two hundred one billion, two hundred twenty million, three hundred twenty", and thus it is an aban number.