204010011 has 12 divisors (see below), whose sum is σ = 310190920. Its totient is φ = 128848320.

The previous prime is 204009947. The next prime is 204010019. The reversal of 204010011 is 110010402.

It is a happy number.

It is not a de Polignac number, because 204010011 - 2⁶ = 204009947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204009975 and 204010002.

It is not an unprimeable number, because it can be changed into a prime (204010019) 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 11 ways as a sum of consecutive naturals, for example, 596350 + ... + 596691.

Almost surely, 2^204010011 is an apocalyptic number.

204010011 is a deficient number, since it is larger than the sum of its proper divisors (106180909).

204010011 is a wasteful number, since it uses less digits than its factorization.

204010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193066 (or 1193063 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 204010011 is about 14283.2073078843. The cubic root of 204010011 is about 588.6861610092.

Adding to 204010011 its reverse (110010402), we get a palindrome (314020413).

The spelling of 204010011 in words is "two hundred four million, ten thousand, eleven".