20081174 has 8 divisors (see below), whose sum is σ = 30168288. Its totient is φ = 10025080.

The previous prime is 20081161. The next prime is 20081197. The reversal of 20081174 is 47118002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6062 + ... + 8769.

It is an arithmetic number, because the mean of its divisors is an integer number (3771036).

Almost surely, 2^20081174 is an apocalyptic number.

20081174 is a deficient number, since it is larger than the sum of its proper divisors (10087114).

20081174 is a wasteful number, since it uses less digits than its factorization.

20081174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15510.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 20081174 is about 4481.2022940278. The cubic root of 20081174 is about 271.8084995058.

Adding to 20081174 its reverse (47118002), we get a palindrome (67199176).

The spelling of 20081174 in words is "twenty million, eighty-one thousand, one hundred seventy-four".