13449602220 has 48 divisors (see below), whose sum is σ = 37732957920. Its totient is φ = 3579506176.

The previous prime is 13449602209. The next prime is 13449602233. The reversal of 13449602220 is 2220694431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189657 + ... + 250736.

It is an arithmetic number, because the mean of its divisors is an integer number (786103290).

Almost surely, 2^13449602220 is an apocalyptic number.

13449602220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13449602220 is an abundant number, since it is smaller than the sum of its proper divisors (24283355700).

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

13449602220 is a wasteful number, since it uses less digits than its factorization.

13449602220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440914 (or 440912 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 13449602220 in words is "thirteen billion, four hundred forty-nine million, six hundred two thousand, two hundred twenty".