20202330442 has 24 divisors (see below), whose sum is σ = 35508335364. Its totient is φ = 8594937792.

The previous prime is 20202330437. The next prime is 20202330457. The reversal of 20202330442 is 24403320202.

It can be written as a sum of positive squares in 2 ways, for example, as 19908927801 + 293402641 = 141099^2 + 17129^2 .

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, 738933 + ... + 765784.

Almost surely, 2^20202330442 is an apocalyptic number.

20202330442 is a deficient number, since it is larger than the sum of its proper divisors (15306004922).

20202330442 is a wasteful number, since it uses less digits than its factorization.

20202330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504870 (or 1504863 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20202330442 its reverse (24403320202), we get a palindrome (44605650644).

The spelling of 20202330442 in words is "twenty billion, two hundred two million, three hundred thirty thousand, four hundred forty-two".