13304425220 has 48 divisors (see below), whose sum is σ = 28800726528. Its totient is φ = 5158753920.

The previous prime is 13304425193. The next prime is 13304425297. The reversal of 13304425220 is 2252440331.

It is a self number, because there is not a number n which added to its sum of digits gives 13304425220.

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, 167369 + ... + 233711.

It is an arithmetic number, because the mean of its divisors is an integer number (600015136).

Almost surely, 2^13304425220 is an apocalyptic number.

13304425220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13304425220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14400363264).

13304425220 is an abundant number, since it is smaller than the sum of its proper divisors (15496301308).

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

13304425220 is a wasteful number, since it uses less digits than its factorization.

13304425220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66660 (or 66658 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 13304425220 its reverse (2252440331), we get a palindrome (15556865551).

The spelling of 13304425220 in words is "thirteen billion, three hundred four million, four hundred twenty-five thousand, two hundred twenty".