20017194 has 16 divisors (see below), whose sum is σ = 42389568. Its totient is φ = 6279872.

The previous prime is 20017189. The next prime is 20017223. The reversal of 20017194 is 49171002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98022 + ... + 98225.

It is an arithmetic number, because the mean of its divisors is an integer number (2649348).

Almost surely, 2^20017194 is an apocalyptic number.

20017194 is an abundant number, since it is smaller than the sum of its proper divisors (22372374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20017194 is a wasteful number, since it uses less digits than its factorization.

20017194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196269.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 20017194 is about 4474.0578896568. The cubic root of 20017194 is about 271.5195255400.

Adding to 20017194 its reverse (49171002), we get a palindrome (69188196).

The spelling of 20017194 in words is "twenty million, seventeen thousand, one hundred ninety-four".