202042134244 has 12 divisors (see below), whose sum is σ = 353640071484. Its totient is φ = 101002113824.

The previous prime is 202042134233. The next prime is 202042134247. The reversal of 202042134244 is 442431240202.

202042134244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 105470356644 + 96571777600 = 324762^2 + 310760^2 .

It is not an unprimeable number, because it can be changed into a prime (202042134247) 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 3 ways as a sum of consecutive naturals, for example, 4714327 + ... + 4756990.

It is an arithmetic number, because the mean of its divisors is an integer number (29470005957).

Almost surely, 2^202042134244 is an apocalyptic number.

It is an amenable number.

202042134244 is a deficient number, since it is larger than the sum of its proper divisors (151597937240).

202042134244 is a wasteful number, since it uses less digits than its factorization.

202042134244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476654 (or 9476652 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 202042134244 its reverse (442431240202), we get a palindrome (644473374446).

The spelling of 202042134244 in words is "two hundred two billion, forty-two million, one hundred thirty-four thousand, two hundred forty-four".