20126696 has 16 divisors (see below), whose sum is σ = 39039300. Its totient is φ = 9716224.

The previous prime is 20126693. The next prime is 20126713. The reversal of 20126696 is 69662102.

It can be written as a sum of positive squares in 2 ways, for example, as 20124196 + 2500 = 4486^2 + 50^2 .

It is not an unprimeable number, because it can be changed into a prime (20126693) by changing a digit.

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, 43145 + ... + 43608.

Almost surely, 2^20126696 is an apocalyptic number.

It is an amenable number.

20126696 is a deficient number, since it is larger than the sum of its proper divisors (18912604).

20126696 is a wasteful number, since it uses less digits than its factorization.

20126696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86788 (or 86784 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 20126696 is about 4486.2786360189. The cubic root of 20126696 is about 272.0137320057.

Adding to 20126696 its reverse (69662102), we get a palindrome (89788798).

The spelling of 20126696 in words is "twenty million, one hundred twenty-six thousand, six hundred ninety-six".