20330003210100 has 144 divisors (see below), whose sum is σ = 59281714060800. Its totient is φ = 5378964750720.

The previous prime is 20330003210057. The next prime is 20330003210191. The reversal of 20330003210100 is 101230003302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20330003210100.

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, 66860211 + ... + 67163589.

Almost surely, 2^{20330003210100} is an apocalyptic number.

20330003210100 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 20330003210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29640857030400).

20330003210100 is an abundant number, since it is smaller than the sum of its proper divisors (38951710850700).

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

20330003210100 is a wasteful number, since it uses less digits than its factorization.

20330003210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305142 (or 305135 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20330003210100 its reverse (101230003302), we get a palindrome (20431233213402).

The spelling of 20330003210100 in words is "twenty trillion, three hundred thirty billion, three million, two hundred ten thousand, one hundred".