13311232232220 has 72 divisors (see below), whose sum is σ = 43483358632896. Its totient is φ = 3276611010432.

The previous prime is 13311232232219. The next prime is 13311232232231. The reversal of 13311232232220 is 2223223211331.

13311232232220 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 12 + 322 + 322 + 2 + 0 = 666.

It is a super-2 number, since 2×13311232232220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2844278052 + ... + 2844282731.

It is an arithmetic number, because the mean of its divisors is an integer number (603935536568).

Almost surely, 2^{13311232232220} is an apocalyptic number.

13311232232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311232232220 is an abundant number, since it is smaller than the sum of its proper divisors (30172126400676).

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

13311232232220 is a wasteful number, since it uses less digits than its factorization.

13311232232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688560811 (or 5688560806 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13311232232220 its reverse (2223223211331), we get a palindrome (15534455443551).

The spelling of 13311232232220 in words is "thirteen trillion, three hundred eleven billion, two hundred thirty-two million, two hundred thirty-two thousand, two hundred twenty".