203203034442 has 24 divisors (see below), whose sum is σ = 440286991716. Its totient is φ = 67732229376.

The previous prime is 203203034417. The next prime is 203203034467. The reversal of 203203034442 is 244430302302.

It is an interprime number because it is at equal distance from previous prime (203203034417) and next prime (203203034467).

It can be written as a sum of positive squares in 2 ways, for example, as 186201743121 + 17001291321 = 431511^2 + 130389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482628 + ... + 799584.

Almost surely, 2^203203034442 is an apocalyptic number.

203203034442 is an abundant number, since it is smaller than the sum of its proper divisors (237083957274).

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

203203034442 is a wasteful number, since it uses less digits than its factorization.

203203034442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352582 (or 352579 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 203203034442 its reverse (244430302302), we get a palindrome (447633336744).

The spelling of 203203034442 in words is "two hundred three billion, two hundred three million, thirty-four thousand, four hundred forty-two".