20203103300100 has 144 divisors (see below), whose sum is σ = 67292556417408. Its totient is φ = 4584145167360.

The previous prime is 20203103300033. The next prime is 20203103300131. The reversal of 20203103300100 is 100330130202.

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 20203103300100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34823707 + ... + 35399106.

Almost surely, 2^{20203103300100} is an apocalyptic number.

20203103300100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203103300100 is an abundant number, since it is smaller than the sum of its proper divisors (47089453117308).

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

20203103300100 is a wasteful number, since it uses less digits than its factorization.

20203103300100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70222974 (or 70222967 counting only the distinct ones).

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

Adding to 20203103300100 its reverse (100330130202), we get a palindrome (20303433430302).

The spelling of 20203103300100 in words is "twenty trillion, two hundred three billion, one hundred three million, three hundred thousand, one hundred".