20203302323300 has 144 divisors (see below), whose sum is σ = 45075180160080. Its totient is φ = 7855325184000.

The previous prime is 20203302323263. The next prime is 20203302323317. The reversal of 20203302323300 is 332320330202.

It can be written as a sum of positive squares in 24 ways, for example, as 20107188682816 + 96113640484 = 4484104^2 + 310022^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4508657060 + ... + 4508661540.

It is an arithmetic number, because the mean of its divisors is an integer number (313022084445).

Almost surely, 2^{20203302323300} is an apocalyptic number.

20203302323300 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 20203302323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22537590080040).

20203302323300 is an abundant number, since it is smaller than the sum of its proper divisors (24871877836780).

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

20203302323300 is a wasteful number, since it uses less digits than its factorization.

20203302323300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 20203302323300 its reverse (332320330202), we get a palindrome (20535622653502).

The spelling of 20203302323300 in words is "twenty trillion, two hundred three billion, three hundred two million, three hundred twenty-three thousand, three hundred".