20296105 has 4 divisors (see below), whose sum is σ = 24355332. Its totient is φ = 16236880.

The previous prime is 20296099. The next prime is 20296121. The reversal of 20296105 is 50169202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15784729 + 4511376 = 3973^2 + 2124^2 .

It is not a de Polignac number, because 20296105 - 2¹³ = 20287913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20296105.

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, 2029606 + ... + 2029615.

It is an arithmetic number, because the mean of its divisors is an integer number (6088833).

Almost surely, 2^20296105 is an apocalyptic number.

It is an amenable number.

20296105 is a deficient number, since it is larger than the sum of its proper divisors (4059227).

20296105 is an equidigital number, since it uses as much as digits as its factorization.

20296105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059226.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 20296105 is about 4505.1198652200. The cubic root of 20296105 is about 272.7747922417.

Subtracting from 20296105 its product of nonzero digits (1080), we obtain a square (20295025 = 4505²).

It can be divided in two parts, 20296 and 105, that multiplied together give a triangular number (2131080 = T₂₀₆₄).

The spelling of 20296105 in words is "twenty million, two hundred ninety-six thousand, one hundred five".