13113232223220 has 36 divisors (see below), whose sum is σ = 39776804410980. Its totient is φ = 3496861926144.

The previous prime is 13113232223207. The next prime is 13113232223237. The reversal of 13113232223220 is 2232223231131.

13113232223220 is a `hidden beast` number, since 1 + 3 + 1 + 13 + 2 + 322 + 2 + 322 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8289182260836 + 4824049962384 = 2879094^2 + 2196372^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36425644885 + ... + 36425645244.

Almost surely, 2^{13113232223220} is an apocalyptic number.

13113232223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113232223220 is an abundant number, since it is smaller than the sum of its proper divisors (26663572187760).

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

13113232223220 is a wasteful number, since it uses less digits than its factorization.

13113232223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72851290144 (or 72851290139 counting only the distinct ones).

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

Adding to 13113232223220 its reverse (2232223231131), we get a palindrome (15345455454351).

The spelling of 13113232223220 in words is "thirteen trillion, one hundred thirteen billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred twenty".