20010002010169 has 2 divisors, whose sum is σ = 20010002010170. Its totient is φ = 20010002010168.

The previous prime is 20010002010161. The next prime is 20010002010233. The reversal of 20010002010169 is 96101020001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19326899760169 + 683102250000 = 4396237^2 + 826500^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010002010169 - 2³ = 20010002010161 is a prime.

It is a super-2 number, since 2×20010002010169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20010002010161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005001005084 + 10005001005085.

It is an arithmetic number, because the mean of its divisors is an integer number (10005001005085).

Almost surely, 2^{20010002010169} is an apocalyptic number.

It is an amenable number.

20010002010169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010002010169 is an equidigital number, since it uses as much as digits as its factorization.

20010002010169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 20010002010169 in words is "twenty trillion, ten billion, two million, ten thousand, one hundred sixty-nine".