100203300020 has 24 divisors (see below), whose sum is σ = 210553534464. Its totient is φ = 40057204896.

The previous prime is 100203300011. The next prime is 100203300023. The reversal of 100203300020 is 20003302001.

It is a junction number, because it is equal to n+sod(n) for n = 100203299974 and 100203300010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100203300023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473104 + ... + 1539623.

It is an arithmetic number, because the mean of its divisors is an integer number (8773063936).

Almost surely, 2^100203300020 is an apocalyptic number.

100203300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203300020 is an abundant number, since it is smaller than the sum of its proper divisors (110350234444).

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

100203300020 is a wasteful number, since it uses less digits than its factorization.

100203300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014399 (or 3014397 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 100203300020 its reverse (20003302001), we get a palindrome (120206602021).

The spelling of 100203300020 in words is "one hundred billion, two hundred three million, three hundred thousand, twenty".