204001071 has 16 divisors (see below), whose sum is σ = 288291168. Its totient is φ = 127872000.

The previous prime is 204001067. The next prime is 204001093. The reversal of 204001071 is 170100402.

It is not a de Polignac number, because 204001071 - 2² = 204001067 is a prime.

204001071 is a modest number, since divided by 1071 gives 204 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 204001071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204001001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90741 + ... + 92961.

It is an arithmetic number, because the mean of its divisors is an integer number (18018198).

Almost surely, 2^204001071 is an apocalyptic number.

204001071 is a deficient number, since it is larger than the sum of its proper divisors (84290097).

204001071 is a wasteful number, since it uses less digits than its factorization.

204001071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 204001071 is about 14282.8943495357. The cubic root of 204001071 is about 588.6775618705.

Adding to 204001071 its reverse (170100402), we get a palindrome (374101473).

The spelling of 204001071 in words is "two hundred four million, one thousand, seventy-one".