20343244555033 has 2 divisors, whose sum is σ = 20343244555034. Its totient is φ = 20343244555032.

The previous prime is 20343244555019. The next prime is 20343244555079. The reversal of 20343244555033 is 33055544234302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12435518118409 + 7907726436624 = 3526403^2 + 2812068^2 .

It is a cyclic number.

It is not a de Polignac number, because 20343244555033 - 2¹³ = 20343244546841 is a prime.

It is not a weakly prime, because it can be changed into another prime (20343244558033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10171622277516 + 10171622277517.

It is an arithmetic number, because the mean of its divisors is an integer number (10171622277517).

Almost surely, 2^{20343244555033} is an apocalyptic number.

It is an amenable number.

20343244555033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20343244555033 is an equidigital number, since it uses as much as digits as its factorization.

20343244555033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 43.

Adding to 20343244555033 its reverse (33055544234302), we get a palindrome (53398788789335).

The spelling of 20343244555033 in words is "twenty trillion, three hundred forty-three billion, two hundred forty-four million, five hundred fifty-five thousand, thirty-three".