20322303200 has 144 divisors (see below), whose sum is σ = 54814929120. Its totient is φ = 7317995520.

The previous prime is 20322303187. The next prime is 20322303259. The reversal of 20322303200 is 230322302.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 280316 + ... + 345284.

It is an arithmetic number, because the mean of its divisors is an integer number (380659230).

Almost surely, 2^20322303200 is an apocalyptic number.

20322303200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20322303200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27407464560).

20322303200 is an abundant number, since it is smaller than the sum of its proper divisors (34492625920).

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

20322303200 is a wasteful number, since it uses less digits than its factorization.

20322303200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65029 (or 65016 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20322303200 its reverse (230322302), we get a palindrome (20552625502).

The spelling of 20322303200 in words is "twenty billion, three hundred twenty-two million, three hundred three thousand, two hundred".