20341321443 has 6 divisors (see below), whose sum is σ = 29381908764. Its totient is φ = 13560880956.

The previous prime is 20341321439. The next prime is 20341321501. The reversal of 20341321443 is 34412314302.

20341321443 is a `hidden beast` number, since 203 + 4 + 13 + 2 + 1 + 443 = 666.

It is not a de Polignac number, because 20341321443 - 2² = 20341321439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20341321643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1130073405 + ... + 1130073422.

It is an arithmetic number, because the mean of its divisors is an integer number (4896984794).

Almost surely, 2^20341321443 is an apocalyptic number.

20341321443 is a deficient number, since it is larger than the sum of its proper divisors (9040587321).

20341321443 is a wasteful number, since it uses less digits than its factorization.

20341321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260146833 (or 2260146830 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20341321443 its reverse (34412314302), we get a palindrome (54753635745).

The spelling of 20341321443 in words is "twenty billion, three hundred forty-one million, three hundred twenty-one thousand, four hundred forty-three".