20221002143 has 2 divisors, whose sum is σ = 20221002144. Its totient is φ = 20221002142.

The previous prime is 20221002107. The next prime is 20221002163. The reversal of 20221002143 is 34120012202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20221002143 - 2⁸ = 20221001887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221002163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110501071 + 10110501072.

It is an arithmetic number, because the mean of its divisors is an integer number (10110501072).

Almost surely, 2^20221002143 is an apocalyptic number.

20221002143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221002143 is an equidigital number, since it uses as much as digits as its factorization.

20221002143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20221002143 its reverse (34120012202), we get a palindrome (54341014345).

The spelling of 20221002143 in words is "twenty billion, two hundred twenty-one million, two thousand, one hundred forty-three".