204420467 has 2 divisors, whose sum is σ = 204420468. Its totient is φ = 204420466.

The previous prime is 204420421. The next prime is 204420473. The reversal of 204420467 is 764024402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204420467 - 2²⁰ = 203371891 is a prime.

It is not a weakly prime, because it can be changed into another prime (204420407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102210233 + 102210234.

It is an arithmetic number, because the mean of its divisors is an integer number (102210234).

Almost surely, 2^204420467 is an apocalyptic number.

204420467 is a deficient number, since it is larger than the sum of its proper divisors (1).

204420467 is an equidigital number, since it uses as much as digits as its factorization.

204420467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 204420467 is about 14297.5685695156. The cubic root of 204420467 is about 589.0806970393.

Adding to 204420467 its reverse (764024402), we get a palindrome (968444869).

The spelling of 204420467 in words is "two hundred four million, four hundred twenty thousand, four hundred sixty-seven".