203242442442 has 48 divisors (see below), whose sum is σ = 447265392672. Its totient is φ = 61205528160.

The previous prime is 203242442441. The next prime is 203242442443. The reversal of 203242442442 is 244244242302.

It is a happy number.

203242442442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (203242442441) and next prime (203242442443).

It is not an unprimeable number, because it can be changed into a prime (203242442441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417484 + ... + 762087.

It is an arithmetic number, because the mean of its divisors is an integer number (9318029014).

Almost surely, 2^203242442442 is an apocalyptic number.

203242442442 is an abundant number, since it is smaller than the sum of its proper divisors (244022950230).

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

203242442442 is a wasteful number, since it uses less digits than its factorization.

203242442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179683 (or 1179636 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 203242442442 its reverse (244244242302), we get a palindrome (447486684744).

The spelling of 203242442442 in words is "two hundred three billion, two hundred forty-two million, four hundred forty-two thousand, four hundred forty-two".