20327112 has 160 divisors (see below), whose sum is σ = 65049600. Its totient is φ = 5878656.

The previous prime is 20327039. The next prime is 20327117. The reversal of 20327112 is 21172302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20327117) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 159993 + ... + 160119.

It is an arithmetic number, because the mean of its divisors is an integer number (406560).

Almost surely, 2^20327112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20327112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32524800).

20327112 is an abundant number, since it is smaller than the sum of its proper divisors (44722488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20327112 is a wasteful number, since it uses less digits than its factorization.

20327112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20327112 is about 4508.5598587576. The cubic root of 20327112 is about 272.9136304488.

Adding to 20327112 its reverse (21172302), we get a palindrome (41499414).

The spelling of 20327112 in words is "twenty million, three hundred twenty-seven thousand, one hundred twelve".