20169017 has 8 divisors (see below), whose sum is σ = 22061280. Its totient is φ = 18286560.

The previous prime is 20168989. The next prime is 20169029. The reversal of 20169017 is 71096102.

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 20169017 - 2¹⁰ = 20167993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20169047) 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, 2258 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (2757660).

Almost surely, 2^20169017 is an apocalyptic number.

It is an amenable number.

20169017 is a deficient number, since it is larger than the sum of its proper divisors (1892263).

20169017 is a wasteful number, since it uses less digits than its factorization.

20169017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 20169017 is about 4490.9928746325. The cubic root of 20169017 is about 272.2042556393.

The spelling of 20169017 in words is "twenty million, one hundred sixty-nine thousand, seventeen".