20436307267219 has 2 divisors, whose sum is σ = 20436307267220. Its totient is φ = 20436307267218.

The previous prime is 20436307267157. The next prime is 20436307267237. The reversal of 20436307267219 is 91276270363402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20436307267219 - 2¹⁵ = 20436307234451 is a prime.

It is a super-2 number, since 2×20436307267219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20436307261219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10218153633609 + 10218153633610.

It is an arithmetic number, because the mean of its divisors is an integer number (10218153633610).

Almost surely, 2^{20436307267219} is an apocalyptic number.

20436307267219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20436307267219 is an equidigital number, since it uses as much as digits as its factorization.

20436307267219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 20436307267219 in words is "twenty trillion, four hundred thirty-six billion, three hundred seven million, two hundred sixty-seven thousand, two hundred nineteen".