20312323300 has 18 divisors (see below), whose sum is σ = 44077741778. Its totient is φ = 8124929280.

The previous prime is 20312323253. The next prime is 20312323303. The reversal of 20312323300 is 332321302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3427399936 + 16884923364 = 58544^2 + 129942^2 .

It is not an unprimeable number, because it can be changed into a prime (20312323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101561517 + ... + 101561716.

Almost surely, 2^20312323300 is an apocalyptic number.

20312323300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20312323300 is an abundant number, since it is smaller than the sum of its proper divisors (23765418478).

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

20312323300 is a wasteful number, since it uses less digits than its factorization.

20312323300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203123247 (or 203123240 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20312323300 its reverse (332321302), we get a palindrome (20644644602).

The spelling of 20312323300 in words is "twenty billion, three hundred twelve million, three hundred twenty-three thousand, three hundred".