20323111204 has 24 divisors (see below), whose sum is σ = 38809544256. Its totient is φ = 9235188000.

The previous prime is 20323111201. The next prime is 20323111219. The reversal of 20323111204 is 40211132302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20323111201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98614 + ... + 224434.

It is an arithmetic number, because the mean of its divisors is an integer number (1617064344).

Almost surely, 2^20323111204 is an apocalyptic number.

It is an amenable number.

20323111204 is a deficient number, since it is larger than the sum of its proper divisors (18486433052).

20323111204 is a wasteful number, since it uses less digits than its factorization.

20323111204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129507 (or 129505 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20323111204 its reverse (40211132302), we get a palindrome (60534243506).

The spelling of 20323111204 in words is "twenty billion, three hundred twenty-three million, one hundred eleven thousand, two hundred four".