204027669 has 6 divisors (see below), whose sum is σ = 294706646. Its totient is φ = 136018440.

The previous prime is 204027667. The next prime is 204027671. The reversal of 204027669 is 966720402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (204027667) and next prime (204027671).

It can be written as a sum of positive squares in only one way, i.e., 194937444 + 9090225 = 13962^2 + 3015^2 .

It is not a de Polignac number, because 204027669 - 2¹ = 204027667 is a prime.

It is a super-2 number, since 2×204027669² = 83254579435147122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204027667) 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 in 5 ways as a sum of consecutive naturals, for example, 11334862 + ... + 11334879.

Almost surely, 2^204027669 is an apocalyptic number.

It is an amenable number.

204027669 is a deficient number, since it is larger than the sum of its proper divisors (90678977).

204027669 is a wasteful number, since it uses less digits than its factorization.

204027669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22669747 (or 22669744 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 204027669 is about 14283.8254329854. The cubic root of 204027669 is about 588.7031450129.

The spelling of 204027669 in words is "two hundred four million, twenty-seven thousand, six hundred sixty-nine".