202012220322 has 192 divisors, whose sum is σ = 522601390080. Its totient is φ = 57677447520.

The previous prime is 202012220317. The next prime is 202012220341. The reversal of 202012220322 is 223022210202.

202012220322 is a `hidden beast` number, since 202 + 0 + 122 + 20 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202012220295 and 202012220304.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10058863 + ... + 10078925.

It is an arithmetic number, because the mean of its divisors is an integer number (2721882240).

Almost surely, 2^202012220322 is an apocalyptic number.

202012220322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 202012220322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261300695040).

202012220322 is an abundant number, since it is smaller than the sum of its proper divisors (320589169758).

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

202012220322 is a wasteful number, since it uses less digits than its factorization.

202012220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20186 (or 20169 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 202012220322 its reverse (223022210202), we get a palindrome (425034430524).

The spelling of 202012220322 in words is "two hundred two billion, twelve million, two hundred twenty thousand, three hundred twenty-two".