20093186 has 8 divisors (see below), whose sum is σ = 30247884. Its totient is φ = 10010560.

The previous prime is 20093179. The next prime is 20093197. The reversal of 20093186 is 68139002.

It can be written as a sum of positive squares in 2 ways, for example, as 17935225 + 2157961 = 4235^2 + 1469^2 .

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

It is a super-2 number, since 2×20093186² = 807472247261192, which contains 22 as substring.

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, 17315 + ... + 18438.

Almost surely, 2^20093186 is an apocalyptic number.

20093186 is a deficient number, since it is larger than the sum of its proper divisors (10154698).

20093186 is a wasteful number, since it uses less digits than its factorization.

20093186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36036.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20093186 is about 4482.5423589744. The cubic root of 20093186 is about 271.8626847991.

The spelling of 20093186 in words is "twenty million, ninety-three thousand, one hundred eighty-six".