204449101 has 24 divisors (see below), whose sum is σ = 227685600. Its totient is φ = 183284640.

The previous prime is 204449059. The next prime is 204449153. The reversal of 204449101 is 101944402.

It is not a de Polignac number, because 204449101 - 2¹⁹ = 203924813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204449801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617506 + ... + 617836.

It is an arithmetic number, because the mean of its divisors is an integer number (9486900).

Almost surely, 2^204449101 is an apocalyptic number.

It is an amenable number.

204449101 is a deficient number, since it is larger than the sum of its proper divisors (23236499).

204449101 is a wasteful number, since it uses less digits than its factorization.

204449101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 204449101 is about 14298.5698935243. The cubic root of 204449101 is about 589.1082007256.

The spelling of 204449101 in words is "two hundred four million, four hundred forty-nine thousand, one hundred one".