204029069 has 2 divisors, whose sum is σ = 204029070. Its totient is φ = 204029068.

The previous prime is 204029057. The next prime is 204029083. The reversal of 204029069 is 960920402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109453444 + 94575625 = 10462^2 + 9725^2 .

It is a cyclic number.

It is not a de Polignac number, because 204029069 - 2²⁴ = 187251853 is a prime.

It is a super-2 number, since 2×204029069² = 83255721994013522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204029009) 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, 102014534 + 102014535.

It is an arithmetic number, because the mean of its divisors is an integer number (102014535).

Almost surely, 2^204029069 is an apocalyptic number.

It is an amenable number.

204029069 is a deficient number, since it is larger than the sum of its proper divisors (1).

204029069 is an equidigital number, since it uses as much as digits as its factorization.

204029069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 204029069 is about 14283.8744393809. The cubic root of 204029069 is about 588.7044915337.

The spelling of 204029069 in words is "two hundred four million, twenty-nine thousand, sixty-nine".