13214243220 has 48 divisors (see below), whose sum is σ = 37028154240. Its totient is φ = 3521105536.

The previous prime is 13214243219. The next prime is 13214243267. The reversal of 13214243220 is 2234241231.

It is a happy number.

It is a congruent number.

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, 4347 + ... + 162626.

It is an arithmetic number, because the mean of its divisors is an integer number (771419880).

Almost surely, 2^13214243220 is an apocalyptic number.

13214243220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13214243220 is an abundant number, since it is smaller than the sum of its proper divisors (23813911020).

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

13214243220 is a wasteful number, since it uses less digits than its factorization.

13214243220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168304 (or 168302 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13214243220 its reverse (2234241231), we get a palindrome (15448484451).

The spelling of 13214243220 in words is "thirteen billion, two hundred fourteen million, two hundred forty-three thousand, two hundred twenty".