20336105 has 8 divisors (see below), whose sum is σ = 25245000. Its totient is φ = 15707776.

The previous prime is 20336089. The next prime is 20336149. The reversal of 20336105 is 50163302.

It can be written as a sum of positive squares in 4 ways, for example, as 1708249 + 18627856 = 1307^2 + 4316^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20336105 - 2⁴ = 20336089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69980 + ... + 70269.

It is an arithmetic number, because the mean of its divisors is an integer number (3155625).

Almost surely, 2^20336105 is an apocalyptic number.

It is an amenable number.

20336105 is a deficient number, since it is larger than the sum of its proper divisors (4908895).

20336105 is a wasteful number, since it uses less digits than its factorization.

20336105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140283.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 20336105 is about 4509.5570735938. The cubic root of 20336105 is about 272.9538714567.

Adding to 20336105 its reverse (50163302), we get a palindrome (70499407).

The spelling of 20336105 in words is "twenty million, three hundred thirty-six thousand, one hundred five".