202221202002020 has 24 divisors (see below), whose sum is σ = 424668628938624. Its totient is φ = 80887698946656.

The previous prime is 202221202002013. The next prime is 202221202002077. The reversal of 202221202002020 is 20200202122202.

It is a self number, because there is not a number n which added to its sum of digits gives 202221202002020.

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, 46742762 + ... + 50885441.

It is an arithmetic number, because the mean of its divisors is an integer number (17694526205776).

Almost surely, 2^{202221202002020} is an apocalyptic number.

202221202002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221202002020 is an abundant number, since it is smaller than the sum of its proper divisors (222447426936604).

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

202221202002020 is a wasteful number, since it uses less digits than its factorization.

202221202002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97731779 (or 97731777 counting only the distinct ones).

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

Adding to 202221202002020 its reverse (20200202122202), we get a palindrome (222421404124222).

The spelling of 202221202002020 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred two million, two thousand, twenty".