203142221324202 has 16 divisors (see below), whose sum is σ = 415732918059360. Its totient is φ = 66139327872912.

The previous prime is 203142221324143. The next prime is 203142221324227. The reversal of 203142221324202 is 202423122241302.

It is a self number, because there is not a number n which added to its sum of digits gives 203142221324202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393686475177 + ... + 393686475692.

It is an arithmetic number, because the mean of its divisors is an integer number (25983307378710).

Almost surely, 2^{203142221324202} is an apocalyptic number.

203142221324202 is an abundant number, since it is smaller than the sum of its proper divisors (212590696735158).

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

203142221324202 is a wasteful number, since it uses less digits than its factorization.

203142221324202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787372950917.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 203142221324202 its reverse (202423122241302), we get a palindrome (405565343565504).

The spelling of 203142221324202 in words is "two hundred three trillion, one hundred forty-two billion, two hundred twenty-one million, three hundred twenty-four thousand, two hundred two".