20012120202071 has 2 divisors, whose sum is σ = 20012120202072. Its totient is φ = 20012120202070.

The previous prime is 20012120202043. The next prime is 20012120202089. The reversal of 20012120202071 is 17020202121002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20012120202071 - 2⁶ = 20012120202007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012120202871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006060101035 + 10006060101036.

It is an arithmetic number, because the mean of its divisors is an integer number (10006060101036).

Almost surely, 2^{20012120202071} is an apocalyptic number.

20012120202071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012120202071 is an equidigital number, since it uses as much as digits as its factorization.

20012120202071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 20012120202071 its reverse (17020202121002), we get a palindrome (37032322323073).

The spelling of 20012120202071 in words is "twenty trillion, twelve billion, one hundred twenty million, two hundred two thousand, seventy-one".