20001032032169 has 2 divisors, whose sum is σ = 20001032032170. Its totient is φ = 20001032032168.

The previous prime is 20001032032129. The next prime is 20001032032171. The reversal of 20001032032169 is 96123023010002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10807735150144 + 9193296882025 = 3287512^2 + 3032045^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001032032169 - 2⁸ = 20001032031913 is a prime.

It is a super-2 number, since 2×20001032032169² (a number of 27 digits) contains 22 as substring.

Together with 20001032032171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20001032032129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000516016084 + 10000516016085.

It is an arithmetic number, because the mean of its divisors is an integer number (10000516016085).

Almost surely, 2^{20001032032169} is an apocalyptic number.

It is an amenable number.

20001032032169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001032032169 is an equidigital number, since it uses as much as digits as its factorization.

20001032032169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 20001032032169 in words is "twenty trillion, one billion, thirty-two million, thirty-two thousand, one hundred sixty-nine".