20330322100 has 144 divisors (see below), whose sum is σ = 51058982016. Its totient is φ = 6944256000.

The previous prime is 20330322073. The next prime is 20330322119. The reversal of 20330322100 is 122303302.

It is a congruent number.

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, 15389440 + ... + 15390760.

It is an arithmetic number, because the mean of its divisors is an integer number (354576264).

Almost surely, 2^20330322100 is an apocalyptic number.

20330322100 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 20330322100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25529491008).

20330322100 is an abundant number, since it is smaller than the sum of its proper divisors (30728659916).

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

20330322100 is a wasteful number, since it uses less digits than its factorization.

20330322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20330322100 its reverse (122303302), we get a palindrome (20452625402).

It can be divided in two parts, 203 and 30322100, that added together give a palindrome (30322303).

The spelling of 20330322100 in words is "twenty billion, three hundred thirty million, three hundred twenty-two thousand, one hundred".