201202222001020 has 24 divisors (see below), whose sum is σ = 424083797823168. Its totient is φ = 80183911348800.

The previous prime is 201202222000999. The next prime is 201202222001083. The reversal of 201202222001020 is 20100222202102.

It is a junction number, because it is equal to n+sod(n) for n = 201202222000985 and 201202222001003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18561085171 + ... + 18561096010.

It is an arithmetic number, because the mean of its divisors is an integer number (17670158242632).

Almost surely, 2^{201202222001020} is an apocalyptic number.

201202222001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202222001020 is an abundant number, since it is smaller than the sum of its proper divisors (222881575822148).

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

201202222001020 is a wasteful number, since it uses less digits than its factorization.

201202222001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37122181461 (or 37122181459 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201202222001020 its reverse (20100222202102), we get a palindrome (221302444203122).

It can be divided in two parts, 201202 and 222001020, that added together give a palindrome (222202222).

The spelling of 201202222001020 in words is "two hundred one trillion, two hundred two billion, two hundred twenty-two million, one thousand, twenty".