20104235542319 has 2 divisors, whose sum is σ = 20104235542320. Its totient is φ = 20104235542318.

The previous prime is 20104235542277. The next prime is 20104235542327. The reversal of 20104235542319 is 91324553240102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20104235542319 is a prime.

It is a super-2 number, since 2×20104235542319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20104235542619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052117771159 + 10052117771160.

It is an arithmetic number, because the mean of its divisors is an integer number (10052117771160).

Almost surely, 2^{20104235542319} is an apocalyptic number.

20104235542319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104235542319 is an equidigital number, since it uses as much as digits as its factorization.

20104235542319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 20104235542319 in words is "twenty trillion, one hundred four billion, two hundred thirty-five million, five hundred forty-two thousand, three hundred nineteen".