13045320420 has 96 divisors (see below), whose sum is σ = 39975465600. Its totient is φ = 3152348160.

The previous prime is 13045320419. The next prime is 13045320433. The reversal of 13045320420 is 2402354031.

13045320420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 175006 + ... + 238154.

It is an arithmetic number, because the mean of its divisors is an integer number (416411100).

Almost surely, 2^13045320420 is an apocalyptic number.

13045320420 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 13045320420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19987732800).

13045320420 is an abundant number, since it is smaller than the sum of its proper divisors (26930145180).

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

13045320420 is a wasteful number, since it uses less digits than its factorization.

13045320420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63485 (or 63483 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 13045320420 its reverse (2402354031), we get a palindrome (15447674451).

The spelling of 13045320420 in words is "thirteen billion, forty-five million, three hundred twenty thousand, four hundred twenty".