13214020324432 has 20 divisors (see below), whose sum is σ = 25603923582676. Its totient is φ = 6606556174080.

The previous prime is 13214020324411. The next prime is 13214020324447. The reversal of 13214020324432 is 23442302041231.

It can be written as a sum of positive squares in 2 ways, for example, as 4384065441856 + 8829954882576 = 2093816^2 + 2971524^2 .

It is a super-2 number, since 2×13214020324432² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13214020324394 and 13214020324403.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 28134069 + ... + 28599892.

Almost surely, 2^{13214020324432} is an apocalyptic number.

It is an amenable number.

13214020324432 is a deficient number, since it is larger than the sum of its proper divisors (12389903258244).

13214020324432 is a wasteful number, since it uses less digits than its factorization.

13214020324432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56748526 (or 56748520 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 13214020324432 its reverse (23442302041231), we get a palindrome (36656322365663).

The spelling of 13214020324432 in words is "thirteen trillion, two hundred fourteen billion, twenty million, three hundred twenty-four thousand, four hundred thirty-two".