20323111208 has 64 divisors (see below), whose sum is σ = 40850136000. Its totient is φ = 9449920512.

The previous prime is 20323111201. The next prime is 20323111219. The reversal of 20323111208 is 80211132302.

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 15 ways as a sum of consecutive naturals, for example, 8939960 + ... + 8942232.

It is an arithmetic number, because the mean of its divisors is an integer number (638283375).

Almost surely, 2^20323111208 is an apocalyptic number.

It is an amenable number.

20323111208 is an abundant number, since it is smaller than the sum of its proper divisors (20527024792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20323111208 is a wasteful number, since it uses less digits than its factorization.

20323111208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20323111208 in words is "twenty billion, three hundred twenty-three million, one hundred eleven thousand, two hundred eight".