202002020221220 has 24 divisors (see below), whose sum is σ = 438831974964600. Its totient is φ = 78014573326592.

The previous prime is 202002020221213. The next prime is 202002020221273. The reversal of 202002020221220 is 22122020200202.

It can be written as a sum of positive squares in 4 ways, for example, as 51661708761664 + 150340311459556 = 7187608^2 + 12261334^2 .

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, 174139672025 + ... + 174139673184.

It is an arithmetic number, because the mean of its divisors is an integer number (18284665623525).

Almost surely, 2^{202002020221220} is an apocalyptic number.

202002020221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202002020221220 is an abundant number, since it is smaller than the sum of its proper divisors (236829954743380).

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

202002020221220 is a wasteful number, since it uses less digits than its factorization.

202002020221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348279345247 (or 348279345245 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 202002020221220 its reverse (22122020200202), we get a palindrome (224124040421422).

The spelling of 202002020221220 in words is "two hundred two trillion, two billion, twenty million, two hundred twenty-one thousand, two hundred twenty".