20002102120159 has 2 divisors, whose sum is σ = 20002102120160. Its totient is φ = 20002102120158.

The previous prime is 20002102120129. The next prime is 20002102120271. The reversal of 20002102120159 is 95102120120002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002102120159 - 2⁵ = 20002102120127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002102120109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001051060079 + 10001051060080.

It is an arithmetic number, because the mean of its divisors is an integer number (10001051060080).

Almost surely, 2^{20002102120159} is an apocalyptic number.

20002102120159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002102120159 is an equidigital number, since it uses as much as digits as its factorization.

20002102120159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 20002102120159 in words is "twenty trillion, two billion, one hundred two million, one hundred twenty thousand, one hundred fifty-nine".