13020430244434 has 24 divisors (see below), whose sum is σ = 19953387516132. Its totient is φ = 6372207791040.

The previous prime is 13020430244407. The next prime is 13020430244449. The reversal of 13020430244434 is 43444203402031.

It can be written as a sum of positive squares in 6 ways, for example, as 8793923357025 + 4226506887409 = 2965455^2 + 2055847^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13020430244434.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387349 + ... + 5117704.

Almost surely, 2^{13020430244434} is an apocalyptic number.

13020430244434 is a deficient number, since it is larger than the sum of its proper divisors (6932957271698).

13020430244434 is an equidigital number, since it uses as much as digits as its factorization.

13020430244434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505582 (or 5505529 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 13020430244434 its reverse (43444203402031), we get a palindrome (56464633646465).

The spelling of 13020430244434 in words is "thirteen trillion, twenty billion, four hundred thirty million, two hundred forty-four thousand, four hundred thirty-four".