20104367 has 2 divisors, whose sum is σ = 20104368. Its totient is φ = 20104366.

The previous prime is 20104361. The next prime is 20104379. The reversal of 20104367 is 76340102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20104367 - 2⁴ = 20104351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20104361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052183 + 10052184.

It is an arithmetic number, because the mean of its divisors is an integer number (10052184).

Almost surely, 2^20104367 is an apocalyptic number.

20104367 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104367 is an equidigital number, since it uses as much as digits as its factorization.

20104367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20104367 is about 4483.7893572290. The cubic root of 20104367 is about 271.9131021069.

Adding to 20104367 its reverse (76340102), we get a palindrome (96444469).

The spelling of 20104367 in words is "twenty million, one hundred four thousand, three hundred sixty-seven".