202441212220 has 96 divisors (see below), whose sum is σ = 459790128000. Its totient is φ = 74427945984.

The previous prime is 202441212203. The next prime is 202441212223. The reversal of 202441212220 is 22212144202.

It is a junction number, because it is equal to n+sod(n) for n = 202441212191 and 202441212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202441212223) 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, 97000017 + ... + 97002103.

It is an arithmetic number, because the mean of its divisors is an integer number (4789480500).

Almost surely, 2^202441212220 is an apocalyptic number.

202441212220 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 202441212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229895064000).

202441212220 is an abundant number, since it is smaller than the sum of its proper divisors (257348915780).

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

202441212220 is a wasteful number, since it uses less digits than its factorization.

202441212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 202441212220 its reverse (22212144202), we get a palindrome (224653356422).

The spelling of 202441212220 in words is "two hundred two billion, four hundred forty-one million, two hundred twelve thousand, two hundred twenty".