202220022120220 has 96 divisors (see below), whose sum is σ = 458594874114048. Its totient is φ = 74459094296832.

The previous prime is 202220022120203. The next prime is 202220022120223. The reversal of 202220022120220 is 22021220022202.

It is a super-2 number, since 2×202220022120220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220022120223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3538812969 + ... + 3538870111.

It is an arithmetic number, because the mean of its divisors is an integer number (4777029938688).

Almost surely, 2^{202220022120220} is an apocalyptic number.

202220022120220 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 202220022120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229297437057024).

202220022120220 is an abundant number, since it is smaller than the sum of its proper divisors (256374851993828).

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

202220022120220 is a wasteful number, since it uses less digits than its factorization.

202220022120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94619 (or 94617 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 202220022120220 its reverse (22021220022202), we get a palindrome (224241242142422).

The spelling of 202220022120220 in words is "two hundred two trillion, two hundred twenty billion, twenty-two million, one hundred twenty thousand, two hundred twenty".