204140001 has 24 divisors (see below), whose sum is σ = 296987040. Its totient is φ = 124665216.

The previous prime is 204139979. The next prime is 204140011. The reversal of 204140001 is 100041402.

It is not a de Polignac number, because 204140001 - 2⁶ = 204139937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204140011) 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, 67990 + ... + 70928.

It is an arithmetic number, because the mean of its divisors is an integer number (12374460).

Almost surely, 2^204140001 is an apocalyptic number.

It is an amenable number.

204140001 is a deficient number, since it is larger than the sum of its proper divisors (92847039).

204140001 is a wasteful number, since it uses less digits than its factorization.

204140001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 204140001 is about 14287.7570318087. The cubic root of 204140001 is about 588.8111664220.

Adding to 204140001 its reverse (100041402), we get a palindrome (304181403).

The spelling of 204140001 in words is "two hundred four million, one hundred forty thousand, one".