100203013032020 has 12 divisors (see below), whose sum is σ = 210426327367284. Its totient is φ = 40081205212800.

The previous prime is 100203013032019. The next prime is 100203013032037. The reversal of 100203013032020 is 20230310302001.

It can be written as a sum of positive squares in 2 ways, for example, as 24833737355716 + 75369275676304 = 4983346^2 + 8681548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100203013032020.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2505075325781 + ... + 2505075325820.

It is an arithmetic number, because the mean of its divisors is an integer number (17535527280607).

Almost surely, 2^{100203013032020} is an apocalyptic number.

100203013032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203013032020 is an abundant number, since it is smaller than the sum of its proper divisors (110223314335264).

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

100203013032020 is a wasteful number, since it uses less digits than its factorization.

100203013032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010150651610 (or 5010150651608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100203013032020 its reverse (20230310302001), we get a palindrome (120433323334021).

The spelling of 100203013032020 in words is "one hundred trillion, two hundred three billion, thirteen million, thirty-two thousand, twenty".