20134334503 has 2 divisors, whose sum is σ = 20134334504. Its totient is φ = 20134334502.

The previous prime is 20134334501. The next prime is 20134334551. The reversal of 20134334503 is 30543343102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20134334503 - 2¹ = 20134334501 is a prime.

Together with 20134334501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20134334501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067167251 + 10067167252.

It is an arithmetic number, because the mean of its divisors is an integer number (10067167252).

Almost surely, 2^20134334503 is an apocalyptic number.

20134334503 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134334503 is an equidigital number, since it uses as much as digits as its factorization.

20134334503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 20134334503 its reverse (30543343102), we get a palindrome (50677677605).

The spelling of 20134334503 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-four thousand, five hundred three".