203242432402 has 16 divisors (see below), whose sum is σ = 317384967960. Its totient is φ = 97492082688.

The previous prime is 203242432391. The next prime is 203242432409. The reversal of 203242432402 is 204234242302.

It is a happy number.

203242432402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 198462231081 + 4780201321 = 445491^2 + 69139^2 .

It is not an unprimeable number, because it can be changed into a prime (203242432409) 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 7 ways as a sum of consecutive naturals, for example, 11150703 + ... + 11168914.

Almost surely, 2^203242432402 is an apocalyptic number.

203242432402 is a deficient number, since it is larger than the sum of its proper divisors (114142535558).

203242432402 is a wasteful number, since it uses less digits than its factorization.

203242432402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22319805.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 203242432402 its reverse (204234242302), we get a palindrome (407476674704).

The spelling of 203242432402 in words is "two hundred three billion, two hundred forty-two million, four hundred thirty-two thousand, four hundred two".