20102202202169 has 2 divisors, whose sum is σ = 20102202202170. Its totient is φ = 20102202202168.

The previous prime is 20102202202139. The next prime is 20102202202241. The reversal of 20102202202169 is 96120220220102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19815077696569 + 287124505600 = 4451413^2 + 535840^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102202202169 - 2¹² = 20102202198073 is a prime.

It is a super-2 number, since 2×20102202202169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20102202202139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051101101084 + 10051101101085.

It is an arithmetic number, because the mean of its divisors is an integer number (10051101101085).

Almost surely, 2^{20102202202169} is an apocalyptic number.

It is an amenable number.

20102202202169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102202202169 is an equidigital number, since it uses as much as digits as its factorization.

20102202202169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 20102202202169 in words is "twenty trillion, one hundred two billion, two hundred two million, two hundred two thousand, one hundred sixty-nine".