204001064 has 32 divisors (see below), whose sum is σ = 391949280. Its totient is φ = 99511104.

The previous prime is 204001013. The next prime is 204001067. The reversal of 204001064 is 460100402.

It is a super-2 number, since 2×204001064² = 83232868226264192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204001067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55574 + ... + 59130.

It is an arithmetic number, because the mean of its divisors is an integer number (12248415).

Almost surely, 2^204001064 is an apocalyptic number.

It is an amenable number.

204001064 is a deficient number, since it is larger than the sum of its proper divisors (187948216).

204001064 is a wasteful number, since it uses less digits than its factorization.

204001064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204001064 is about 14282.8941044874. The cubic root of 204001064 is about 588.6775551373.

Adding to 204001064 its reverse (460100402), we get a palindrome (664101466).

The spelling of 204001064 in words is "two hundred four million, one thousand, sixty-four".