203052225235242 has 96 divisors (see below), whose sum is σ = 420695825172480. Its totient is φ = 65334116786400.

The previous prime is 203052225235231. The next prime is 203052225235291. The reversal of 203052225235242 is 242532522250302.

It is a self number, because there is not a number n which added to its sum of digits gives 203052225235242.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3765568893 + ... + 3765622815.

It is an arithmetic number, because the mean of its divisors is an integer number (4382248178880).

Almost surely, 2^{203052225235242} is an apocalyptic number.

203052225235242 is an abundant number, since it is smaller than the sum of its proper divisors (217643599937238).

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

203052225235242 is a wasteful number, since it uses less digits than its factorization.

203052225235242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55640 (or 55609 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 203052225235242 its reverse (242532522250302), we get a palindrome (445584747485544).

The spelling of 203052225235242 in words is "two hundred three trillion, fifty-two billion, two hundred twenty-five million, two hundred thirty-five thousand, two hundred forty-two".