200021110002020 has 24 divisors (see below), whose sum is σ = 420247349134200. Its totient is φ = 79969773880832.

The previous prime is 200021110001953. The next prime is 200021110002079. The reversal of 200021110002020 is 20200011120002.

It is a happy number.

200021110002020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18106403646244 + 181914706355776 = 4255162^2 + 13487576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200021110001992 and 200021110002010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416840085 + ... + 2416922844.

It is an arithmetic number, because the mean of its divisors is an integer number (17510306213925).

Almost surely, 2^{200021110002020} is an apocalyptic number.

200021110002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021110002020 is an abundant number, since it is smaller than the sum of its proper divisors (220226239132180).

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

200021110002020 is a wasteful number, since it uses less digits than its factorization.

200021110002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833765007 (or 4833765005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200021110002020 its reverse (20200011120002), we get a palindrome (220221121122022).

The spelling of 200021110002020 in words is "two hundred trillion, twenty-one billion, one hundred ten million, two thousand, twenty".