20444134335 has 16 divisors (see below), whose sum is σ = 32778915840. Its totient is φ = 10880771360.

The previous prime is 20444134297. The next prime is 20444134357. The reversal of 20444134335 is 53343144402.

It is not a de Polignac number, because 20444134335 - 2¹¹ = 20444132287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20444134296 and 20444134305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415511 + ... + 1429880.

It is an arithmetic number, because the mean of its divisors is an integer number (2048682240).

Almost surely, 2^20444134335 is an apocalyptic number.

20444134335 is a deficient number, since it is larger than the sum of its proper divisors (12334781505).

20444134335 is a wasteful number, since it uses less digits than its factorization.

20444134335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845878.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20444134335 its reverse (53343144402), we get a palindrome (73787278737).

The spelling of 20444134335 in words is "twenty billion, four hundred forty-four million, one hundred thirty-four thousand, three hundred thirty-five".