202440022220256 has 48 divisors (see below), whose sum is σ = 531413031397248. Its totient is φ = 67478994953600.

The previous prime is 202440022220239. The next prime is 202440022220257. The reversal of 202440022220256 is 652022220044202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202440022220257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9374250 + ... + 22198121.

It is an arithmetic number, because the mean of its divisors is an integer number (11071104820776).

Almost surely, 2^{202440022220256} is an apocalyptic number.

It is an amenable number.

202440022220256 is an abundant number, since it is smaller than the sum of its proper divisors (328973009176992).

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

202440022220256 is a wasteful number, since it uses less digits than its factorization.

202440022220256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31639175 (or 31639167 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 202440022220256 its reverse (652022220044202), we get a palindrome (854462242264458).

The spelling of 202440022220256 in words is "two hundred two trillion, four hundred forty billion, twenty-two million, two hundred twenty thousand, two hundred fifty-six".