202221011201020 has 48 divisors (see below), whose sum is σ = 513879275528640. Its totient is φ = 65254511176704.

The previous prime is 202221011200993. The next prime is 202221011201029. The reversal of 202221011201020 is 20102110122202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202221011200985 and 202221011201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221011201029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42483403335 + ... + 42483408094.

It is an arithmetic number, because the mean of its divisors is an integer number (10705818240180).

Almost surely, 2^{202221011201020} is an apocalyptic number.

202221011201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221011201020 is an abundant number, since it is smaller than the sum of its proper divisors (311658264327620).

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

202221011201020 is a wasteful number, since it uses less digits than its factorization.

202221011201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84966811462 (or 84966811460 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202221011201020 its reverse (20102110122202), we get a palindrome (222323121323222).

The spelling of 202221011201020 in words is "two hundred two trillion, two hundred twenty-one billion, eleven million, two hundred one thousand, twenty".