200100010020 has 48 divisors (see below), whose sum is σ = 562410414720. Its totient is φ = 53157108736.

The previous prime is 200100010007. The next prime is 200100010021. The reversal of 200100010020 is 20010001002.

It is a happy number.

200100010020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 200100009990 and 200100010008.

It is not an unprimeable number, because it can be changed into a prime (200100010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6324525 + ... + 6356084.

It is an arithmetic number, because the mean of its divisors is an integer number (11716883640).

Almost surely, 2^200100010020 is an apocalyptic number.

200100010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200100010020 is an abundant number, since it is smaller than the sum of its proper divisors (362310404700).

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

200100010020 is a wasteful number, since it uses less digits than its factorization.

200100010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12680884 (or 12680882 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 200100010020 its reverse (20010001002), we get a palindrome (220110011022).

The spelling of 200100010020 in words is "two hundred billion, one hundred million, ten thousand, twenty".