20204330602 has 4 divisors (see below), whose sum is σ = 30306495906. Its totient is φ = 10102165300.

The previous prime is 20204330567. The next prime is 20204330603. The reversal of 20204330602 is 20603340202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12483369441 + 7720961161 = 111729^2 + 87869^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20204330603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051082649 + ... + 5051082652.

Almost surely, 2^20204330602 is an apocalyptic number.

20204330602 is a deficient number, since it is larger than the sum of its proper divisors (10102165304).

20204330602 is a wasteful number, since it uses less digits than its factorization.

20204330602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102165303.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20204330602 its reverse (20603340202), we get a palindrome (40807670804).

The spelling of 20204330602 in words is "twenty billion, two hundred four million, three hundred thirty thousand, six hundred two".