20323303112 has 24 divisors (see below), whose sum is σ = 44327613510. Its totient is φ = 8709986880.

The previous prime is 20323303111. The next prime is 20323303139. The reversal of 20323303112 is 21130332302.

It can be written as a sum of positive squares in only one way, i.e., 20276051236 + 47251876 = 142394^2 + 6874^2 .

It is not an unprimeable number, because it can be changed into a prime (20323303111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25922189 + ... + 25922972.

Almost surely, 2^20323303112 is an apocalyptic number.

It is an amenable number.

20323303112 is an abundant number, since it is smaller than the sum of its proper divisors (24004310398).

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

20323303112 is a wasteful number, since it uses less digits than its factorization.

20323303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51845181 (or 51845170 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20323303112 its reverse (21130332302), we get a palindrome (41453635414).

The spelling of 20323303112 in words is "twenty billion, three hundred twenty-three million, three hundred three thousand, one hundred twelve".