20136107 has 4 divisors (see below), whose sum is σ = 20172816. Its totient is φ = 20099400.

The previous prime is 20136089. The next prime is 20136119. The reversal of 20136107 is 70163102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70163102 = 2 ⋅35081551.

It is a cyclic number.

It is not a de Polignac number, because 20136107 - 2¹² = 20132011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20136167) 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 3 ways as a sum of consecutive naturals, for example, 17519 + ... + 18632.

It is an arithmetic number, because the mean of its divisors is an integer number (5043204).

Almost surely, 2^20136107 is an apocalyptic number.

20136107 is a deficient number, since it is larger than the sum of its proper divisors (36709).

20136107 is an equidigital number, since it uses as much as digits as its factorization.

20136107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36708.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 20136107 is about 4487.3273782955. The cubic root of 20136107 is about 272.0561221781.

Adding to 20136107 its reverse (70163102), we get a palindrome (90299209).

The spelling of 20136107 in words is "twenty million, one hundred thirty-six thousand, one hundred seven".