13213224420 has 96 divisors (see below), whose sum is σ = 40379351040. Its totient is φ = 3201701760.

The previous prime is 13213224419. The next prime is 13213224421. The reversal of 13213224420 is 2442231231.

It is a happy number.

13213224420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13213224419) and next prime (13213224421).

It is not an unprimeable number, because it can be changed into a prime (13213224421) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2147869 + ... + 2154011.

It is an arithmetic number, because the mean of its divisors is an integer number (420618240).

Almost surely, 2^13213224420 is an apocalyptic number.

13213224420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213224420 is an abundant number, since it is smaller than the sum of its proper divisors (27166126620).

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

13213224420 is a wasteful number, since it uses less digits than its factorization.

13213224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425 (or 9423 counting only the distinct ones).

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

Adding to 13213224420 its reverse (2442231231), we get a palindrome (15655455651).

The spelling of 13213224420 in words is "thirteen billion, two hundred thirteen million, two hundred twenty-four thousand, four hundred twenty".