204320027 has 2 divisors, whose sum is σ = 204320028. Its totient is φ = 204320026.

The previous prime is 204320023. The next prime is 204320069. The reversal of 204320027 is 720023402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204320027 - 2² = 204320023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 204319990 and 204320008.

It is not a weakly prime, because it can be changed into another prime (204320023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102160013 + 102160014.

It is an arithmetic number, because the mean of its divisors is an integer number (102160014).

Almost surely, 2^204320027 is an apocalyptic number.

204320027 is a deficient number, since it is larger than the sum of its proper divisors (1).

204320027 is an equidigital number, since it uses as much as digits as its factorization.

204320027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 204320027 is about 14294.0556526131. The cubic root of 204320027 is about 588.9842015511.

Adding to 204320027 its reverse (720023402), we get a palindrome (924343429).

The spelling of 204320027 in words is "two hundred four million, three hundred twenty thousand, twenty-seven".