20363136103633 has 2 divisors, whose sum is σ = 20363136103634. Its totient is φ = 20363136103632.

The previous prime is 20363136103631. The next prime is 20363136103811. The reversal of 20363136103633 is 33630163136302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18935178022849 + 1427958080784 = 4351457^2 + 1194972^2 .

It is a cyclic number.

It is not a de Polignac number, because 20363136103633 - 2¹ = 20363136103631 is a prime.

Together with 20363136103631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20363136103631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10181568051816 + 10181568051817.

It is an arithmetic number, because the mean of its divisors is an integer number (10181568051817).

Almost surely, 2^{20363136103633} is an apocalyptic number.

It is an amenable number.

20363136103633 is a deficient number, since it is larger than the sum of its proper divisors (1).

20363136103633 is an equidigital number, since it uses as much as digits as its factorization.

20363136103633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 40.

Adding to 20363136103633 its reverse (33630163136302), we get a palindrome (53993299239935).

The spelling of 20363136103633 in words is "twenty trillion, three hundred sixty-three billion, one hundred thirty-six million, one hundred three thousand, six hundred thirty-three".