20136536461333 has 2 divisors, whose sum is σ = 20136536461334. Its totient is φ = 20136536461332.

The previous prime is 20136536461319. The next prime is 20136536461369. The reversal of 20136536461333 is 33316463563102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17890683548644 + 2245852912689 = 4229738^2 + 1498617^2 .

It is a cyclic number.

It is not a de Polignac number, because 20136536461333 - 2¹³ = 20136536453141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20136536461033) 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, 10068268230666 + 10068268230667.

It is an arithmetic number, because the mean of its divisors is an integer number (10068268230667).

Almost surely, 2^{20136536461333} is an apocalyptic number.

It is an amenable number.

20136536461333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20136536461333 is an equidigital number, since it uses as much as digits as its factorization.

20136536461333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 46.

The spelling of 20136536461333 in words is "twenty trillion, one hundred thirty-six billion, five hundred thirty-six million, four hundred sixty-one thousand, three hundred thirty-three".