20112233333009 has 2 divisors, whose sum is σ = 20112233333010. Its totient is φ = 20112233333008.

The previous prime is 20112233332991. The next prime is 20112233333021. The reversal of 20112233333009 is 90033333221102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13257995169409 + 6854238163600 = 3641153^2 + 2618060^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112233333009 - 2¹⁶ = 20112233267473 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 (20112233333209) 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, 10056116666504 + 10056116666505.

It is an arithmetic number, because the mean of its divisors is an integer number (10056116666505).

Almost surely, 2^{20112233333009} is an apocalyptic number.

It is an amenable number.

20112233333009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112233333009 is an equidigital number, since it uses as much as digits as its factorization.

20112233333009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 20112233333009 in words is "twenty trillion, one hundred twelve billion, two hundred thirty-three million, three hundred thirty-three thousand, nine".