20536314223 has 2 divisors, whose sum is σ = 20536314224. Its totient is φ = 20536314222.

The previous prime is 20536314187. The next prime is 20536314247. The reversal of 20536314223 is 32241363502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20536314223 - 2³³ = 11946379631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20536314263) 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 as a sum of consecutive naturals, namely, 10268157111 + 10268157112.

It is an arithmetic number, because the mean of its divisors is an integer number (10268157112).

Almost surely, 2^20536314223 is an apocalyptic number.

20536314223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20536314223 is an equidigital number, since it uses as much as digits as its factorization.

20536314223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 20536314223 its reverse (32241363502), we get a palindrome (52777677725).

The spelling of 20536314223 in words is "twenty billion, five hundred thirty-six million, three hundred fourteen thousand, two hundred twenty-three".