13316243220 has 216 divisors, whose sum is σ = 47323890432. Its totient is φ = 2969003520.

The previous prime is 13316243219. The next prime is 13316243257. The reversal of 13316243220 is 2234261331.

13316243220 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 624 + 32 + 2 + 0 = 666.

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 71 ways as a sum of consecutive naturals, for example, 2114917 + ... + 2121203.

Almost surely, 2^13316243220 is an apocalyptic number.

13316243220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13316243220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23661945216).

13316243220 is an abundant number, since it is smaller than the sum of its proper divisors (34007647212).

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

13316243220 is a wasteful number, since it uses less digits than its factorization.

13316243220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391 (or 6345 counting only the distinct ones).

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

The spelling of 13316243220 in words is "thirteen billion, three hundred sixteen million, two hundred forty-three thousand, two hundred twenty".