202040222120 has 128 divisors (see below), whose sum is σ = 512305274880. Its totient is φ = 71044896000.

The previous prime is 202040222093. The next prime is 202040222149. The reversal of 202040222120 is 21222040202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20605139 + ... + 20614941.

It is an arithmetic number, because the mean of its divisors is an integer number (4002384960).

Almost surely, 2^202040222120 is an apocalyptic number.

202040222120 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 202040222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256152637440).

202040222120 is an abundant number, since it is smaller than the sum of its proper divisors (310265052760).

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

202040222120 is a wasteful number, since it uses less digits than its factorization.

202040222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11367 (or 11363 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 202040222120 its reverse (21222040202), we get a palindrome (223262262322).

The spelling of 202040222120 in words is "two hundred two billion, forty million, two hundred twenty-two thousand, one hundred twenty".