100000210020 has 48 divisors (see below), whose sum is σ = 280068643008. Its totient is φ = 26660241280.

The previous prime is 100000210007. The next prime is 100000210039. The reversal of 100000210020 is 20012000001.

It is a happy number.

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 = 100000209990 and 100000210008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48955 + ... + 449885.

It is an arithmetic number, because the mean of its divisors is an integer number (5834763396).

Almost surely, 2^100000210020 is an apocalyptic number.

100000210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000210020 is an abundant number, since it is smaller than the sum of its proper divisors (180068432988).

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

100000210020 is a wasteful number, since it uses less digits than its factorization.

100000210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405100 (or 405098 counting only the distinct ones).

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

Adding to 100000210020 its reverse (20012000001), we get a palindrome (120012210021).

The spelling of 100000210020 in words is "one hundred billion, two hundred ten thousand, twenty".