20332105 has 8 divisors (see below), whose sum is σ = 24993864. Its totient is φ = 15868800.

The previous prime is 20332099. The next prime is 20332133. The reversal of 20332105 is 50123302.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 20331081 = 32^2 + 4509^2 .

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

It is not a de Polignac number, because 20332105 - 2¹³ = 20323913 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 49386 + ... + 49795.

It is an arithmetic number, because the mean of its divisors is an integer number (3124233).

Almost surely, 2^20332105 is an apocalyptic number.

It is an amenable number.

20332105 is a deficient number, since it is larger than the sum of its proper divisors (4661759).

20332105 is an equidigital number, since it uses as much as digits as its factorization.

20332105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99227.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20332105 is about 4509.1135492467. The cubic root of 20332105 is about 272.9359741082.

Adding to 20332105 its reverse (50123302), we get a palindrome (70455407).

The spelling of 20332105 in words is "twenty million, three hundred thirty-two thousand, one hundred five".