20328106 has 8 divisors (see below), whose sum is σ = 30515940. Its totient is φ = 10156128.

The previous prime is 20328089. The next prime is 20328137. The reversal of 20328106 is 60182302.

It can be written as a sum of positive squares in 2 ways, for example, as 18105025 + 2223081 = 4255^2 + 1491^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60 + ... + 6376.

Almost surely, 2^20328106 is an apocalyptic number.

20328106 is a deficient number, since it is larger than the sum of its proper divisors (10187834).

20328106 is a wasteful number, since it uses less digits than its factorization.

20328106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20328106 is about 4508.6700921669. The cubic root of 20328106 is about 272.9180788873.

The spelling of 20328106 in words is "twenty million, three hundred twenty-eight thousand, one hundred six".