204020329 has 2 divisors, whose sum is σ = 204020330. Its totient is φ = 204020328.

The previous prime is 204020291. The next prime is 204020351. The reversal of 204020329 is 923020402.

It is an a-pointer prime, because the next prime (204020351) can be obtained adding 204020329 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129163225 + 74857104 = 11365^2 + 8652^2 .

It is a cyclic number.

It is not a de Polignac number, because 204020329 - 2¹¹ = 204018281 is a prime.

It is not a weakly prime, because it can be changed into another prime (204020359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102010164 + 102010165.

It is an arithmetic number, because the mean of its divisors is an integer number (102010165).

Almost surely, 2^204020329 is an apocalyptic number.

It is an amenable number.

204020329 is a deficient number, since it is larger than the sum of its proper divisors (1).

204020329 is an equidigital number, since it uses as much as digits as its factorization.

204020329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 204020329 is about 14283.5684967028. The cubic root of 204020329 is about 588.6960852957.

The spelling of 204020329 in words is "two hundred four million, twenty thousand, three hundred twenty-nine".