203142210340202 has 12 divisors (see below), whose sum is σ = 354462428246850. Its totient is φ = 87060947288616.

The previous prime is 203142210340081. The next prime is 203142210340207. The reversal of 203142210340202 is 202043012241302.

It can be written as a sum of positive squares in only one way, i.e., 166323297496321 + 36818912843881 = 12896639^2 + 6067859^2 .

It is not an unprimeable number, because it can be changed into a prime (203142210340207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1036439848577 + ... + 1036439848772.

Almost surely, 2^{203142210340202} is an apocalyptic number.

203142210340202 is a deficient number, since it is larger than the sum of its proper divisors (151320217906648).

203142210340202 is a wasteful number, since it uses less digits than its factorization.

203142210340202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072879697365 (or 2072879697358 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 203142210340202 its reverse (202043012241302), we get a palindrome (405185222581504).

The spelling of 203142210340202 in words is "two hundred three trillion, one hundred forty-two billion, two hundred ten million, three hundred forty thousand, two hundred two".