204101404 has 12 divisors (see below), whose sum is σ = 384652744. Its totient is φ = 94200624.

The previous prime is 204101389. The next prime is 204101407. The reversal of 204101404 is 404101402.

It is a super-2 number, since 2×204101404² = 83314766229542432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204101407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962462 + ... + 1962565.

Almost surely, 2^204101404 is an apocalyptic number.

It is an amenable number.

204101404 is a deficient number, since it is larger than the sum of its proper divisors (180551340).

204101404 is a wasteful number, since it uses less digits than its factorization.

204101404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925044 (or 3925042 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 204101404 is about 14286.4062660979. The cubic root of 204101404 is about 588.7740550002.

Adding to 204101404 its reverse (404101402), we get a palindrome (608202806).

The spelling of 204101404 in words is "two hundred four million, one hundred one thousand, four hundred four".