20136196 has 12 divisors (see below), whose sum is σ = 35331660. Its totient is φ = 10041440.

The previous prime is 20136187. The next prime is 20136197. The reversal of 20136196 is 69163102.

It can be written as a sum of positive squares in 2 ways, for example, as 9985600 + 10150596 = 3160^2 + 3186^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4915 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (2944305).

Almost surely, 2^20136196 is an apocalyptic number.

It is an amenable number.

20136196 is a deficient number, since it is larger than the sum of its proper divisors (15195464).

20136196 is a wasteful number, since it uses less digits than its factorization.

20136196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334 (or 13332 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 20136196 is about 4487.3372951005. The cubic root of 20136196 is about 272.0565229997.

Adding to 20136196 its reverse (69163102), we get a palindrome (89299298).

The spelling of 20136196 in words is "twenty million, one hundred thirty-six thousand, one hundred ninety-six".