20542325233219 has 2 divisors, whose sum is σ = 20542325233220. Its totient is φ = 20542325233218.

The previous prime is 20542325233193. The next prime is 20542325233247. The reversal of 20542325233219 is 91233252324502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20542325233219 - 2³⁵ = 20507965494851 is a prime.

It is a super-2 number, since 2×20542325233219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20542325273219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10271162616609 + 10271162616610.

It is an arithmetic number, because the mean of its divisors is an integer number (10271162616610).

Almost surely, 2^{20542325233219} is an apocalyptic number.

20542325233219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20542325233219 is an equidigital number, since it uses as much as digits as its factorization.

20542325233219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 20542325233219 in words is "twenty trillion, five hundred forty-two billion, three hundred twenty-five million, two hundred thirty-three thousand, two hundred nineteen".