204064326 has 64 divisors (see below), whose sum is σ = 484323840. Its totient is φ = 63534240.

The previous prime is 204064307. The next prime is 204064373. The reversal of 204064326 is 623460402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204064326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51496 + ... + 55316.

It is an arithmetic number, because the mean of its divisors is an integer number (7567560).

Almost surely, 2^204064326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204064326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242161920).

204064326 is an abundant number, since it is smaller than the sum of its proper divisors (280259514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204064326 is a wasteful number, since it uses less digits than its factorization.

204064326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898 (or 3892 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 204064326 is about 14285.1085400147. The cubic root of 204064326 is about 588.7383997065.

It can be divided in two parts, 2040 and 64326, that added together give a palindrome (66366).

The spelling of 204064326 in words is "two hundred four million, sixty-four thousand, three hundred twenty-six".