13240330220 has 24 divisors (see below), whose sum is σ = 29943516624. Its totient is φ = 4888737216.

The previous prime is 13240330189. The next prime is 13240330247. The reversal of 13240330220 is 2203304231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13240330192 and 13240330201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25461914 + ... + 25462433.

It is an arithmetic number, because the mean of its divisors is an integer number (1247646526).

Almost surely, 2^13240330220 is an apocalyptic number.

13240330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240330220 is an abundant number, since it is smaller than the sum of its proper divisors (16703186404).

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

13240330220 is a wasteful number, since it uses less digits than its factorization.

13240330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50924369 (or 50924367 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13240330220 its reverse (2203304231), we get a palindrome (15443634451).

The spelling of 13240330220 in words is "thirteen billion, two hundred forty million, three hundred thirty thousand, two hundred twenty".