20327204 has 6 divisors (see below), whose sum is σ = 35572614. Its totient is φ = 10163600.

The previous prime is 20327191. The next prime is 20327233. The reversal of 20327204 is 40272302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15618304 + 4708900 = 3952^2 + 2170^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540897 + ... + 2540904.

It is an arithmetic number, because the mean of its divisors is an integer number (5928769).

Almost surely, 2^20327204 is an apocalyptic number.

It is an amenable number.

20327204 is a deficient number, since it is larger than the sum of its proper divisors (15245410).

20327204 is a wasteful number, since it uses less digits than its factorization.

20327204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081805 (or 5081803 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20327204 is about 4508.5700615605. The cubic root of 20327204 is about 272.9140421816.

Adding to 20327204 its reverse (40272302), we get a palindrome (60599506).

The spelling of 20327204 in words is "twenty million, three hundred twenty-seven thousand, two hundred four".