20163194 has 8 divisors (see below), whose sum is σ = 30293760. Its totient is φ = 10065276.

The previous prime is 20163167. The next prime is 20163211. The reversal of 20163194 is 49136102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6554 + ... + 9125.

It is an arithmetic number, because the mean of its divisors is an integer number (3786720).

Almost surely, 2^20163194 is an apocalyptic number.

20163194 is a deficient number, since it is larger than the sum of its proper divisors (10130566).

20163194 is a wasteful number, since it uses less digits than its factorization.

20163194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16324.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 20163194 is about 4490.3445302115. The cubic root of 20163194 is about 272.1780570737.

Adding to 20163194 its reverse (49136102), we get a palindrome (69299296).

The spelling of 20163194 in words is "twenty million, one hundred sixty-three thousand, one hundred ninety-four".