20334404443 has 8 divisors (see below), whose sum is σ = 21238495488. Its totient is φ = 19431978984.

The previous prime is 20334404417. The next prime is 20334404449. The reversal of 20334404443 is 34440443302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20334404443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20334404449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 391405 + ... + 440302.

It is an arithmetic number, because the mean of its divisors is an integer number (2654811936).

Almost surely, 2^20334404443 is an apocalyptic number.

20334404443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20334404443 is a deficient number, since it is larger than the sum of its proper divisors (904091045).

20334404443 is a wasteful number, since it uses less digits than its factorization.

20334404443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832793.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 20334404443 its reverse (34440443302), we get a palindrome (54774847745).

The spelling of 20334404443 in words is "twenty billion, three hundred thirty-four million, four hundred four thousand, four hundred forty-three".