203202402442 has 16 divisors (see below), whose sum is σ = 332746613640. Its totient is φ = 92500987392.

The previous prime is 203202402427. The next prime is 203202402497. The reversal of 203202402442 is 244204202302.

It can be written as a sum of positive squares in 4 ways, for example, as 87254661321 + 115947741121 = 295389^2 + 340511^2 .

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, 53528767 + ... + 53532562.

Almost surely, 2^203202402442 is an apocalyptic number.

203202402442 is a deficient number, since it is larger than the sum of its proper divisors (129544211198).

203202402442 is a wasteful number, since it uses less digits than its factorization.

203202402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107061417.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 203202402442 its reverse (244204202302), we get a palindrome (447406604744).

The spelling of 203202402442 in words is "two hundred three billion, two hundred two million, four hundred two thousand, four hundred forty-two".