20244444133 has 2 divisors, whose sum is σ = 20244444134. Its totient is φ = 20244444132.

The previous prime is 20244444131. The next prime is 20244444139. The reversal of 20244444133 is 33144444202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14942128644 + 5302315489 = 122238^2 + 72817^2 .

It is a cyclic number.

It is not a de Polignac number, because 20244444133 - 2¹ = 20244444131 is a prime.

Together with 20244444131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20244444095 and 20244444104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244444131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122222066 + 10122222067.

It is an arithmetic number, because the mean of its divisors is an integer number (10122222067).

Almost surely, 2^20244444133 is an apocalyptic number.

It is an amenable number.

20244444133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244444133 is an equidigital number, since it uses as much as digits as its factorization.

20244444133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 20244444133 its reverse (33144444202), we get a palindrome (53388888335).

The spelling of 20244444133 in words is "twenty billion, two hundred forty-four million, four hundred forty-four thousand, one hundred thirty-three".