13220464104 has 192 divisors, whose sum is σ = 38399961600. Its totient is φ = 4101580800.

The previous prime is 13220464099. The next prime is 13220464123. The reversal of 13220464104 is 40146402231.

It is a happy number.

13220464104 is a `hidden beast` number, since 13 + 2 + 2 + 0 + 4 + 641 + 0 + 4 = 666.

It is a super-2 number, since 2×13220464104² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6679387 + ... + 6681365.

It is an arithmetic number, because the mean of its divisors is an integer number (199999800).

Almost surely, 2^13220464104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13220464104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19199980800).

13220464104 is an abundant number, since it is smaller than the sum of its proper divisors (25179497496).

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

13220464104 is a wasteful number, since it uses less digits than its factorization.

13220464104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 13220464104 its reverse (40146402231), we get a palindrome (53366866335).

The spelling of 13220464104 in words is "thirteen billion, two hundred twenty million, four hundred sixty-four thousand, one hundred four".