20102144002147 has 2 divisors, whose sum is σ = 20102144002148. Its totient is φ = 20102144002146.

The previous prime is 20102144002081. The next prime is 20102144002163. The reversal of 20102144002147 is 74120044120102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102144002147 - 2⁷ = 20102144002019 is a prime.

It is not a weakly prime, because it can be changed into another prime (20102144008147) 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, 10051072001073 + 10051072001074.

It is an arithmetic number, because the mean of its divisors is an integer number (10051072001074).

Almost surely, 2^{20102144002147} is an apocalyptic number.

20102144002147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102144002147 is an equidigital number, since it uses as much as digits as its factorization.

20102144002147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 20102144002147 its reverse (74120044120102), we get a palindrome (94222188122249).

The spelling of 20102144002147 in words is "twenty trillion, one hundred two billion, one hundred forty-four million, two thousand, one hundred forty-seven".