204114021 has 4 divisors (see below), whose sum is σ = 272152032. Its totient is φ = 136076012.

The previous prime is 204114011. The next prime is 204114041. The reversal of 204114021 is 120411402.

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 204114021 - 2⁵ = 204113989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204114011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34019001 + ... + 34019006.

It is an arithmetic number, because the mean of its divisors is an integer number (68038008).

Almost surely, 2^204114021 is an apocalyptic number.

It is an amenable number.

204114021 is a deficient number, since it is larger than the sum of its proper divisors (68038011).

204114021 is an equidigital number, since it uses as much as digits as its factorization.

204114021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68038010.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 204114021 is about 14286.8478328846. The cubic root of 204114021 is about 588.7861868932.

Adding to 204114021 its reverse (120411402), we get a palindrome (324525423).

The spelling of 204114021 in words is "two hundred four million, one hundred fourteen thousand, twenty-one".