20327673 has 16 divisors (see below), whose sum is σ = 27812160. Its totient is φ = 13201344.

The previous prime is 20327639. The next prime is 20327687. The reversal of 20327673 is 37672302.

It is not a de Polignac number, because 20327673 - 2⁹ = 20327161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20327673.

It is not an unprimeable number, because it can be changed into a prime (20327603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27138 + ... + 27876.

It is an arithmetic number, because the mean of its divisors is an integer number (1738260).

Almost surely, 2^20327673 is an apocalyptic number.

It is an amenable number.

20327673 is a deficient number, since it is larger than the sum of its proper divisors (7484487).

20327673 is a wasteful number, since it uses less digits than its factorization.

20327673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 20327673 is about 4508.6220733169. The cubic root of 20327673 is about 272.9161411045.

Adding to 20327673 its reverse (37672302), we get a palindrome (57999975).

The spelling of 20327673 in words is "twenty million, three hundred twenty-seven thousand, six hundred seventy-three".