13909078220 has 24 divisors (see below), whose sum is σ = 29331288000. Its totient is φ = 5540350592.

The previous prime is 13909078217. The next prime is 13909078273. The reversal of 13909078220 is 2287090931.

It is a happy number.

13909078220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13909078220³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450145 + ... + 1459704.

It is an arithmetic number, because the mean of its divisors is an integer number (1222137000).

Almost surely, 2^13909078220 is an apocalyptic number.

13909078220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13909078220 is an abundant number, since it is smaller than the sum of its proper divisors (15422209780).

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

13909078220 is a wasteful number, since it uses less digits than its factorization.

13909078220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910097 (or 2910095 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 13909078220 in words is "thirteen billion, nine hundred nine million, seventy-eight thousand, two hundred twenty".