20244423011 has 2 divisors, whose sum is σ = 20244423012. Its totient is φ = 20244423010.

The previous prime is 20244422981. The next prime is 20244423019. The reversal of 20244423011 is 11032444202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20244423011 - 2¹⁰ = 20244421987 is a prime.

It is a super-2 number, since 2×20244423011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20244423019) 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, 10122211505 + 10122211506.

It is an arithmetic number, because the mean of its divisors is an integer number (10122211506).

Almost surely, 2^20244423011 is an apocalyptic number.

20244423011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244423011 is an equidigital number, since it uses as much as digits as its factorization.

20244423011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20244423011 its reverse (11032444202), we get a palindrome (31276867213).

The spelling of 20244423011 in words is "twenty billion, two hundred forty-four million, four hundred twenty-three thousand, eleven".