202212021102020 has 24 divisors (see below), whose sum is σ = 425407623591384. Its totient is φ = 80739593340416.

The previous prime is 202212021101953. The next prime is 202212021102037. The reversal of 202212021102020 is 20201120212202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41212060194244 + 160999960907776 = 6419662^2 + 12688576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202212021102020.

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, 9075932357 + ... + 9075954636.

It is an arithmetic number, because the mean of its divisors is an integer number (17725317649641).

Almost surely, 2^{202212021102020} is an apocalyptic number.

202212021102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212021102020 is an abundant number, since it is smaller than the sum of its proper divisors (223195602489364).

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

202212021102020 is a wasteful number, since it uses less digits than its factorization.

202212021102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18151887559 (or 18151887557 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202212021102020 its reverse (20201120212202), we get a palindrome (222413141314222).

The spelling of 202212021102020 in words is "two hundred two trillion, two hundred twelve billion, twenty-one million, one hundred two thousand, twenty".