20123232208 has 20 divisors (see below), whose sum is σ = 39015751840. Its totient is φ = 10054651104.

The previous prime is 20123232203. The next prime is 20123232221. The reversal of 20123232208 is 80223232102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123232203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411438 + ... + 457741.

It is an arithmetic number, because the mean of its divisors is an integer number (1950787592).

Almost surely, 2^20123232208 is an apocalyptic number.

It is an amenable number.

20123232208 is a deficient number, since it is larger than the sum of its proper divisors (18892519632).

20123232208 is a wasteful number, since it uses less digits than its factorization.

20123232208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870634 (or 870628 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 20123232208 in words is "twenty billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred eight".