20303002042 has 8 divisors (see below), whose sum is σ = 30622760532. Its totient is φ = 10095415200.

The previous prime is 20303002033. The next prime is 20303002073. The reversal of 20303002042 is 24020030302.

It can be written as a sum of positive squares in 2 ways, for example, as 14969767201 + 5333234841 = 122351^2 + 73029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28042459 + ... + 28043182.

Almost surely, 2^20303002042 is an apocalyptic number.

20303002042 is a deficient number, since it is larger than the sum of its proper divisors (10319758490).

20303002042 is a wasteful number, since it uses less digits than its factorization.

20303002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56085824.

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20303002042 its reverse (24020030302), we get a palindrome (44323032344).

The spelling of 20303002042 in words is "twenty billion, three hundred three million, two thousand, forty-two".