202012220211020 has 192 divisors, whose sum is σ = 444615720192000. Its totient is φ = 77029159680000.

The previous prime is 202012220210963. The next prime is 202012220211031. The reversal of 202012220211020 is 20112022210202.

It is a happy number.

It is a super-3 number, since 3×202012220211020³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 202012220211020.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9829789745 + ... + 9829810295.

It is an arithmetic number, because the mean of its divisors is an integer number (2315706876000).

Almost surely, 2^{202012220211020} is an apocalyptic number.

202012220211020 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 202012220211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222307860096000).

202012220211020 is an abundant number, since it is smaller than the sum of its proper divisors (242603499980980).

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

202012220211020 is a wasteful number, since it uses less digits than its factorization.

202012220211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21880 (or 21878 counting only the distinct ones).

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

Adding to 202012220211020 its reverse (20112022210202), we get a palindrome (222124242421222).

The spelling of 202012220211020 in words is "two hundred two trillion, twelve billion, two hundred twenty million, two hundred eleven thousand, twenty".