20430312300 has 108 divisors (see below), whose sum is σ = 65599691976. Its totient is φ = 5315193600.

The previous prime is 20430312271. The next prime is 20430312307. The reversal of 20430312300 is 321303402.

20430312300 is a `hidden beast` number, since 2 + 0 + 430 + 3 + 1 + 230 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20430312307) 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 35 ways as a sum of consecutive naturals, for example, 239934 + ... + 313733.

Almost surely, 2^20430312300 is an apocalyptic number.

20430312300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20430312300 is an abundant number, since it is smaller than the sum of its proper divisors (45169379676).

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

20430312300 is a wasteful number, since it uses less digits than its factorization.

20430312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553728 (or 553718 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20430312300 its reverse (321303402), we get a palindrome (20751615702).

The spelling of 20430312300 in words is "twenty billion, four hundred thirty million, three hundred twelve thousand, three hundred".