20323301300 has 72 divisors (see below), whose sum is σ = 44681437080. Its totient is φ = 8022784000.

The previous prime is 20323301263. The next prime is 20323301309. The reversal of 20323301300 is 310332302.

It can be written as a sum of positive squares in 12 ways, for example, as 15406767376 + 4916533924 = 124124^2 + 70118^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323301309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5489450 + ... + 5493150.

It is an arithmetic number, because the mean of its divisors is an integer number (620575515).

Almost surely, 2^20323301300 is an apocalyptic number.

20323301300 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 20323301300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22340718540).

20323301300 is an abundant number, since it is smaller than the sum of its proper divisors (24358135780).

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

20323301300 is a wasteful number, since it uses less digits than its factorization.

20323301300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421 (or 4414 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20323301300 its reverse (310332302), we get a palindrome (20633633602).

The spelling of 20323301300 in words is "twenty billion, three hundred twenty-three million, three hundred one thousand, three hundred".