202221222112020 has 384 divisors, whose sum is σ = 604730657341440. Its totient is φ = 50400018339840.

The previous prime is 202221222112009. The next prime is 202221222112061. The reversal of 202221222112020 is 20211222122202.

202221222112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11010020877 + ... + 11010039243.

It is an arithmetic number, because the mean of its divisors is an integer number (1574819420160).

Almost surely, 2^{202221222112020} is an apocalyptic number.

202221222112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202221222112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302365328670720).

202221222112020 is an abundant number, since it is smaller than the sum of its proper divisors (402509435229420).

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

202221222112020 is a wasteful number, since it uses less digits than its factorization.

202221222112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19623 (or 19621 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202221222112020 its reverse (20211222122202), we get a palindrome (222432444234222).

The spelling of 202221222112020 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, twenty".