202002200020 has 12 divisors (see below), whose sum is σ = 424204620084. Its totient is φ = 80800880000.

The previous prime is 202002200011. The next prime is 202002200047. The reversal of 202002200020 is 20002200202.

It can be written as a sum of positive squares in 2 ways, for example, as 57179330884 + 144822869136 = 239122^2 + 380556^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050054981 + ... + 5050055020.

It is an arithmetic number, because the mean of its divisors is an integer number (35350385007).

Almost surely, 2^202002200020 is an apocalyptic number.

202002200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202002200020 is an abundant number, since it is smaller than the sum of its proper divisors (222202420064).

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

202002200020 is a wasteful number, since it uses less digits than its factorization.

202002200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100110010 (or 10100110008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 202002200020 its reverse (20002200202), we get a palindrome (222004400222).

The spelling of 202002200020 in words is "two hundred two billion, two million, two hundred thousand, twenty".