13447820320 has 192 divisors, whose sum is σ = 36682813440. Its totient is φ = 4610636800.

The previous prime is 13447820299. The next prime is 13447820359. The reversal of 13447820320 is 2302874431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2871741 + ... + 2876419.

It is an arithmetic number, because the mean of its divisors is an integer number (191056320).

Almost surely, 2^13447820320 is an apocalyptic number.

13447820320 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 13447820320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18341406720).

13447820320 is an abundant number, since it is smaller than the sum of its proper divisors (23234993120).

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

13447820320 is a wasteful number, since it uses less digits than its factorization.

13447820320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799 (or 4791 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 13447820320 in words is "thirteen billion, four hundred forty-seven million, eight hundred twenty thousand, three hundred twenty".