204142033 has 2 divisors, whose sum is σ = 204142034. Its totient is φ = 204142032.

The previous prime is 204142021. The next prime is 204142073. The reversal of 204142033 is 330241402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112614544 + 91527489 = 10612^2 + 9567^2 .

It is a cyclic number.

It is not a de Polignac number, because 204142033 - 2²⁵ = 170587601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204142033.

It is not a weakly prime, because it can be changed into another prime (204142013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102071016 + 102071017.

It is an arithmetic number, because the mean of its divisors is an integer number (102071017).

Almost surely, 2^204142033 is an apocalyptic number.

It is an amenable number.

204142033 is a deficient number, since it is larger than the sum of its proper divisors (1).

204142033 is an equidigital number, since it uses as much as digits as its factorization.

204142033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 204142033 is about 14287.8281414636. The cubic root of 204142033 is about 588.8131200817.

Adding to 204142033 its reverse (330241402), we get a palindrome (534383435).

The spelling of 204142033 in words is "two hundred four million, one hundred forty-two thousand, thirty-three".