204021041 has 4 divisors (see below), whose sum is σ = 233166912. Its totient is φ = 174875172.

The previous prime is 204020987. The next prime is 204021049. The reversal of 204021041 is 140120402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204021041 - 2⁶ = 204020977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204021049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14572925 + ... + 14572938.

It is an arithmetic number, because the mean of its divisors is an integer number (58291728).

Almost surely, 2^204021041 is an apocalyptic number.

It is an amenable number.

204021041 is a deficient number, since it is larger than the sum of its proper divisors (29145871).

204021041 is an equidigital number, since it uses as much as digits as its factorization.

204021041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29145870.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 204021041 is about 14283.5934204247. The cubic root of 204021041 is about 588.6967701149.

Adding to 204021041 its reverse (140120402), we get a palindrome (344141443).

The spelling of 204021041 in words is "two hundred four million, twenty-one thousand, forty-one".