20604002033 has 2 divisors, whose sum is σ = 20604002034. Its totient is φ = 20604002032.

The previous prime is 20604002011. The next prime is 20604002047. The reversal of 20604002033 is 33020040602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17396818609 + 3207183424 = 131897^2 + 56632^2 .

It is a cyclic number.

It is not a de Polignac number, because 20604002033 - 2⁸ = 20604001777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20604001996 and 20604002014.

It is not a weakly prime, because it can be changed into another prime (20604002233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10302001016 + 10302001017.

It is an arithmetic number, because the mean of its divisors is an integer number (10302001017).

Almost surely, 2^20604002033 is an apocalyptic number.

It is an amenable number.

20604002033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20604002033 is an equidigital number, since it uses as much as digits as its factorization.

20604002033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20604002033 its reverse (33020040602), we get a palindrome (53624042635).

The spelling of 20604002033 in words is "twenty billion, six hundred four million, two thousand, thirty-three".