202134523244 has 6 divisors (see below), whose sum is σ = 353735415684. Its totient is φ = 101067261620.

The previous prime is 202134523163. The next prime is 202134523247. The reversal of 202134523244 is 442325431202.

It is a self number, because there is not a number n which added to its sum of digits gives 202134523244.

It is not an unprimeable number, because it can be changed into a prime (202134523247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25266815402 + ... + 25266815409.

It is an arithmetic number, because the mean of its divisors is an integer number (58955902614).

Almost surely, 2^202134523244 is an apocalyptic number.

It is an amenable number.

202134523244 is a deficient number, since it is larger than the sum of its proper divisors (151600892440).

202134523244 is a wasteful number, since it uses less digits than its factorization.

202134523244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50533630815 (or 50533630813 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 202134523244 its reverse (442325431202), we get a palindrome (644459954446).

The spelling of 202134523244 in words is "two hundred two billion, one hundred thirty-four million, five hundred twenty-three thousand, two hundred forty-four".