201326404 has 12 divisors (see below), whose sum is σ = 352456300. Its totient is φ = 100624608.

The previous prime is 201326401. The next prime is 201326443. The reversal of 201326404 is 404623102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63968004 + 137358400 = 7998^2 + 11720^2 .

It is not an unprimeable number, because it can be changed into a prime (201326401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4342 + ... + 20530.

Almost surely, 2^201326404 is an apocalyptic number.

It is an amenable number.

201326404 is a deficient number, since it is larger than the sum of its proper divisors (151129896).

201326404 is a wasteful number, since it uses less digits than its factorization.

201326404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19302 (or 19300 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 201326404 is about 14188.9535907339. The cubic root of 201326404 is about 586.0935097546.

Adding to 201326404 its reverse (404623102), we get a palindrome (605949506).

The spelling of 201326404 in words is "two hundred one million, three hundred twenty-six thousand, four hundred four".