202240130022 has 128 divisors (see below), whose sum is σ = 533452062720. Its totient is φ = 55575344160.

The previous prime is 202240130021. The next prime is 202240130149. The reversal of 202240130022 is 220031042202.

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 = 202240129977 and 202240130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202240130021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1857093 + ... + 1962975.

It is an arithmetic number, because the mean of its divisors is an integer number (4167594240).

Almost surely, 2^202240130022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202240130022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266726031360).

202240130022 is an abundant number, since it is smaller than the sum of its proper divisors (331211932698).

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

202240130022 is a wasteful number, since it uses less digits than its factorization.

202240130022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106095 (or 106089 counting only the distinct ones).

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

Adding to 202240130022 its reverse (220031042202), we get a palindrome (422271172224).

The spelling of 202240130022 in words is "two hundred two billion, two hundred forty million, one hundred thirty thousand, twenty-two".