20363194 has 4 divisors (see below), whose sum is σ = 30544794. Its totient is φ = 10181596.

The previous prime is 20363179. The next prime is 20363197. The reversal of 20363194 is 49136302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14722569 + 5640625 = 3837^2 + 2375^2 .

It is not an unprimeable number, because it can be changed into a prime (20363197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5090797 + ... + 5090800.

Almost surely, 2^20363194 is an apocalyptic number.

20363194 is a deficient number, since it is larger than the sum of its proper divisors (10181600).

20363194 is a wasteful number, since it uses less digits than its factorization.

20363194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181599.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 20363194 is about 4512.5595840942. The cubic root of 20363194 is about 273.0750150539.

Adding to 20363194 its reverse (49136302), we get a palindrome (69499496).

The spelling of 20363194 in words is "twenty million, three hundred sixty-three thousand, one hundred ninety-four".