20020111010143 has 2 divisors, whose sum is σ = 20020111010144. Its totient is φ = 20020111010142.

The previous prime is 20020111010071. The next prime is 20020111010177. The reversal of 20020111010143 is 34101011102002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20020111010143 - 2²⁹ = 20019574139231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020111011143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010055505071 + 10010055505072.

It is an arithmetic number, because the mean of its divisors is an integer number (10010055505072).

Almost surely, 2^{20020111010143} is an apocalyptic number.

20020111010143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020111010143 is an equidigital number, since it uses as much as digits as its factorization.

20020111010143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20020111010143 its reverse (34101011102002), we get a palindrome (54121122112145).

The spelling of 20020111010143 in words is "twenty trillion, twenty billion, one hundred eleven million, ten thousand, one hundred forty-three".