20030174 has 16 divisors (see below), whose sum is σ = 30890112. Its totient is φ = 9735768.

The previous prime is 20030173. The next prime is 20030177. The reversal of 20030174 is 47103002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23927 + ... + 24749.

It is an arithmetic number, because the mean of its divisors is an integer number (1930632).

Almost surely, 2^20030174 is an apocalyptic number.

20030174 is a deficient number, since it is larger than the sum of its proper divisors (10859938).

20030174 is a wasteful number, since it uses less digits than its factorization.

20030174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20030174 is about 4475.5082392953. The cubic root of 20030174 is about 271.5782011290.

Adding to 20030174 its reverse (47103002), we get a palindrome (67133176).

The spelling of 20030174 in words is "twenty million, thirty thousand, one hundred seventy-four".