13201663305320 has 64 divisors (see below), whose sum is σ = 33947446896000. Its totient is φ = 4526242871040.

The previous prime is 13201663305307. The next prime is 13201663305343. The reversal of 13201663305320 is 2350336610231.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60412655 + ... + 60630785.

It is an arithmetic number, because the mean of its divisors is an integer number (530428857750).

Almost surely, 2^{13201663305320} is an apocalyptic number.

13201663305320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201663305320 is an abundant number, since it is smaller than the sum of its proper divisors (20745783590680).

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

13201663305320 is a wasteful number, since it uses less digits than its factorization.

13201663305320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434298 (or 434294 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 35.

Adding to 13201663305320 its reverse (2350336610231), we get a palindrome (15551999915551).

The spelling of 13201663305320 in words is "thirteen trillion, two hundred one billion, six hundred sixty-three million, three hundred five thousand, three hundred twenty".