20323303200 has 108 divisors (see below), whose sum is σ = 71665073298. Its totient is φ = 5419545600.

The previous prime is 20323303181. The next prime is 20323303201. The reversal of 20323303200 is 230332302.

20323303200 is a `hidden beast` number, since 20 + 323 + 3 + 0 + 320 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 18586414224 + 1736888976 = 136332^2 + 41676^2 .

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 (20323303201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1404141 + ... + 1418540.

Almost surely, 2^20323303200 is an apocalyptic number.

20323303200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323303200 is an abundant number, since it is smaller than the sum of its proper divisors (51341770098).

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

20323303200 is a wasteful number, since it uses less digits than its factorization.

20323303200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822707 (or 2822691 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20323303200 its reverse (230332302), we get a palindrome (20553635502).

The spelling of 20323303200 in words is "twenty billion, three hundred twenty-three million, three hundred three thousand, two hundred".