20173194 has 24 divisors (see below), whose sum is σ = 43938180. Its totient is φ = 6689088.

The previous prime is 20173141. The next prime is 20173207. The reversal of 20173194 is 49137102.

It can be written as a sum of positive squares in 2 ways, for example, as 13593969 + 6579225 = 3687^2 + 2565^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 702 + ... + 6390.

Almost surely, 2^20173194 is an apocalyptic number.

20173194 is an abundant number, since it is smaller than the sum of its proper divisors (23764986).

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

20173194 is a wasteful number, since it uses less digits than its factorization.

20173194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 20173194 is about 4491.4578924888. The cubic root of 20173194 is about 272.2230454940.

The spelling of 20173194 in words is "twenty million, one hundred seventy-three thousand, one hundred ninety-four".