20136426704533 has 2 divisors, whose sum is σ = 20136426704534. Its totient is φ = 20136426704532.

The previous prime is 20136426704509. The next prime is 20136426704539. The reversal of 20136426704533 is 33540762463102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14169555477009 + 5966871227524 = 3764247^2 + 2442718^2 .

It is a cyclic number.

It is not a de Polignac number, because 20136426704533 - 2⁵ = 20136426704501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20136426704539) by changing a digit.

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 as a sum of consecutive naturals, namely, 10068213352266 + 10068213352267.

It is an arithmetic number, because the mean of its divisors is an integer number (10068213352267).

Almost surely, 2^{20136426704533} is an apocalyptic number.

It is an amenable number.

20136426704533 is a deficient number, since it is larger than the sum of its proper divisors (1).

20136426704533 is an equidigital number, since it uses as much as digits as its factorization.

20136426704533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 20136426704533 in words is "twenty trillion, one hundred thirty-six billion, four hundred twenty-six million, seven hundred four thousand, five hundred thirty-three".