20315305535219 has 2 divisors, whose sum is σ = 20315305535220. Its totient is φ = 20315305535218.

The previous prime is 20315305535207. The next prime is 20315305535227. The reversal of 20315305535219 is 91253550351302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20315305535219 - 2³² = 20311010567923 is a prime.

It is a super-2 number, since 2×20315305535219² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20315305535219.

It is not a weakly prime, because it can be changed into another prime (20315305535269) 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, 10157652767609 + 10157652767610.

It is an arithmetic number, because the mean of its divisors is an integer number (10157652767610).

Almost surely, 2^{20315305535219} is an apocalyptic number.

20315305535219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20315305535219 is an equidigital number, since it uses as much as digits as its factorization.

20315305535219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 607500, while the sum is 44.

The spelling of 20315305535219 in words is "twenty trillion, three hundred fifteen billion, three hundred five million, five hundred thirty-five thousand, two hundred nineteen".