20131196 has 12 divisors (see below), whose sum is σ = 37302048. Its totient is φ = 9473472.

The previous prime is 20131147. The next prime is 20131207. The reversal of 20131196 is 69113102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147956 + ... + 148091.

It is an arithmetic number, because the mean of its divisors is an integer number (3108504).

Almost surely, 2^20131196 is an apocalyptic number.

It is an amenable number.

20131196 is a deficient number, since it is larger than the sum of its proper divisors (17170852).

20131196 is a wasteful number, since it uses less digits than its factorization.

20131196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296068 (or 296066 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 20131196 is about 4486.7801372476. The cubic root of 20131196 is about 272.0340031020.

Adding to 20131196 its reverse (69113102), we get a palindrome (89244298).

The spelling of 20131196 in words is "twenty million, one hundred thirty-one thousand, one hundred ninety-six".