13143334420 has 48 divisors (see below), whose sum is σ = 28721689920. Its totient is φ = 5048015616.

The previous prime is 13143334397. The next prime is 13143334447. The reversal of 13143334420 is 2443334131.

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, 78777 + ... + 180256.

It is an arithmetic number, because the mean of its divisors is an integer number (598368540).

Almost surely, 2^13143334420 is an apocalyptic number.

13143334420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13143334420 is an abundant number, since it is smaller than the sum of its proper divisors (15578355500).

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

13143334420 is a wasteful number, since it uses less digits than its factorization.

13143334420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259144 (or 259142 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13143334420 its reverse (2443334131), we get a palindrome (15586668551).

The spelling of 13143334420 in words is "thirteen billion, one hundred forty-three million, three hundred thirty-four thousand, four hundred twenty".