20340044033 has 2 divisors, whose sum is σ = 20340044034. Its totient is φ = 20340044032.

The previous prime is 20340043979. The next prime is 20340044063. The reversal of 20340044033 is 33044004302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19152345664 + 1187698369 = 138392^2 + 34463^2 .

It is a cyclic number.

It is not a de Polignac number, because 20340044033 - 2²⁶ = 20272935169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20340044063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170022016 + 10170022017.

It is an arithmetic number, because the mean of its divisors is an integer number (10170022017).

Almost surely, 2^20340044033 is an apocalyptic number.

It is an amenable number.

20340044033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340044033 is an equidigital number, since it uses as much as digits as its factorization.

20340044033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20340044033 its reverse (33044004302), we get a palindrome (53384048335).

The spelling of 20340044033 in words is "twenty billion, three hundred forty million, forty-four thousand, thirty-three".