202222433420 has 96 divisors (see below), whose sum is σ = 514071774720. Its totient is φ = 65230986240.

The previous prime is 202222433419. The next prime is 202222433423. The reversal of 202222433420 is 24334222202.

202222433420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202222433420.

It is not an unprimeable number, because it can be changed into a prime (202222433423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7152071 + ... + 7180289.

It is an arithmetic number, because the mean of its divisors is an integer number (5354914320).

Almost surely, 2^202222433420 is an apocalyptic number.

202222433420 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 202222433420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257035887360).

202222433420 is an abundant number, since it is smaller than the sum of its proper divisors (311849341300).

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

202222433420 is a wasteful number, since it uses less digits than its factorization.

202222433420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31263 (or 31261 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 202222433420 its reverse (24334222202), we get a palindrome (226556655622).

The spelling of 202222433420 in words is "two hundred two billion, two hundred twenty-two million, four hundred thirty-three thousand, four hundred twenty".