13886473220 has 12 divisors (see below), whose sum is σ = 29161593804. Its totient is φ = 5554589280.

The previous prime is 13886473217. The next prime is 13886473231. The reversal of 13886473220 is 2237468831.

It can be written as a sum of positive squares in 2 ways, for example, as 5092535044 + 8793938176 = 71362^2 + 93776^2 .

It is a super-3 number, since 3×13886473220³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347161811 + ... + 347161850.

It is an arithmetic number, because the mean of its divisors is an integer number (2430132817).

Almost surely, 2^13886473220 is an apocalyptic number.

13886473220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13886473220 is an abundant number, since it is smaller than the sum of its proper divisors (15275120584).

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

13886473220 is a wasteful number, since it uses less digits than its factorization.

13886473220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694323670 (or 694323668 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 13886473220 in words is "thirteen billion, eight hundred eighty-six million, four hundred seventy-three thousand, two hundred twenty".