20650144183 has 2 divisors, whose sum is σ = 20650144184. Its totient is φ = 20650144182.

The previous prime is 20650144181. The next prime is 20650144201. The reversal of 20650144183 is 38144105602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20650144183 - 2¹ = 20650144181 is a prime.

Together with 20650144181, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20650144181) 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, 10325072091 + 10325072092.

It is an arithmetic number, because the mean of its divisors is an integer number (10325072092).

Almost surely, 2^20650144183 is an apocalyptic number.

20650144183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20650144183 is an equidigital number, since it uses as much as digits as its factorization.

20650144183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 20650144183 its reverse (38144105602), we get a palindrome (58794249785).

The spelling of 20650144183 in words is "twenty billion, six hundred fifty million, one hundred forty-four thousand, one hundred eighty-three".