204119947 has 2 divisors, whose sum is σ = 204119948. Its totient is φ = 204119946.

The previous prime is 204119933. The next prime is 204120019. The reversal of 204119947 is 749911402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204119947 - 2⁷ = 204119819 is a prime.

It is not a weakly prime, because it can be changed into another prime (204119347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102059973 + 102059974.

It is an arithmetic number, because the mean of its divisors is an integer number (102059974).

Almost surely, 2^204119947 is an apocalyptic number.

204119947 is a deficient number, since it is larger than the sum of its proper divisors (1).

204119947 is an equidigital number, since it uses as much as digits as its factorization.

204119947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 204119947 is about 14287.0552249230. The cubic root of 204119947 is about 588.7918848738.

The spelling of 204119947 in words is "two hundred four million, one hundred nineteen thousand, nine hundred forty-seven".