20210020220200 has 48 divisors (see below), whose sum is σ = 47050042828860. Its totient is φ = 8073385152000.

The previous prime is 20210020220177. The next prime is 20210020220207. The reversal of 20210020220200 is 202202001202.

It can be written as a sum of positive squares in 6 ways, for example, as 2819168605444 + 17390851614756 = 1679038^2 + 4170234^2 .

It is not an unprimeable number, because it can be changed into a prime (20210020220207) 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 11 ways as a sum of consecutive naturals, for example, 66240771 + ... + 66545170.

Almost surely, 2^{20210020220200} is an apocalyptic number.

20210020220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210020220200 is an abundant number, since it is smaller than the sum of its proper divisors (26840022608660).

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

20210020220200 is a wasteful number, since it uses less digits than its factorization.

20210020220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132786718 (or 132786709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20210020220200 its reverse (202202001202), we get a palindrome (20412222221402).

The spelling of 20210020220200 in words is "twenty trillion, two hundred ten billion, twenty million, two hundred twenty thousand, two hundred".