20043169 has 8 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 19412016.

The previous prime is 20043161. The next prime is 20043181. The reversal of 20043169 is 96134002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20043169 - 2³ = 20043161 is a prime.

It is a super-2 number, since 2×20043169² = 803457247125122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20043161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794 + ... + 6580.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^20043169 is an apocalyptic number.

It is an amenable number.

20043169 is a deficient number, since it is larger than the sum of its proper divisors (640991).

20043169 is an equidigital number, since it uses as much as digits as its factorization.

20043169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20043169 is about 4476.9597943247. The cubic root of 20043169 is about 271.6369191377.

The spelling of 20043169 in words is "twenty million, forty-three thousand, one hundred sixty-nine".