210002201020 has 12 divisors (see below), whose sum is σ = 441004622184. Its totient is φ = 84000880400.

The previous prime is 210002200951. The next prime is 210002201141. The reversal of 210002201020 is 20102200012.

210002201020 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 (10).

It is a junction number, because it is equal to n+sod(n) for n = 210002200988 and 210002201006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5250055006 + ... + 5250055045.

It is an arithmetic number, because the mean of its divisors is an integer number (36750385182).

Almost surely, 2^210002201020 is an apocalyptic number.

210002201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002201020 is an abundant number, since it is smaller than the sum of its proper divisors (231002421164).

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

210002201020 is a wasteful number, since it uses less digits than its factorization.

210002201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500110060 (or 10500110058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210002201020 its reverse (20102200012), we get a palindrome (230104401032).

The spelling of 210002201020 in words is "two hundred ten billion, two million, two hundred one thousand, twenty".