13171353220 has 24 divisors (see below), whose sum is σ = 28303095744. Its totient is φ = 5146016736.

The previous prime is 13171353193. The next prime is 13171353271. The reversal of 13171353220 is 2235317131.

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 7 ways as a sum of consecutive naturals, for example, 7656904 + ... + 7658623.

It is an arithmetic number, because the mean of its divisors is an integer number (1179295656).

Almost surely, 2^13171353220 is an apocalyptic number.

13171353220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13171353220 is an abundant number, since it is smaller than the sum of its proper divisors (15131742524).

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

13171353220 is a wasteful number, since it uses less digits than its factorization.

13171353220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15315579 (or 15315577 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The spelling of 13171353220 in words is "thirteen billion, one hundred seventy-one million, three hundred fifty-three thousand, two hundred twenty".