20303331343432 has 16 divisors (see below), whose sum is σ = 38088771939900. Its totient is φ = 10146325492800.

The previous prime is 20303331343411. The next prime is 20303331343513. The reversal of 20303331343432 is 23434313330302.

It can be written as a sum of positive squares in 2 ways, for example, as 15815145034276 + 4488186309156 = 3976826^2 + 2118534^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667506207 + ... + 667536622.

Almost surely, 2^{20303331343432} is an apocalyptic number.

It is an amenable number.

20303331343432 is a deficient number, since it is larger than the sum of its proper divisors (17785440596468).

20303331343432 is a wasteful number, since it uses less digits than its factorization.

20303331343432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335044736 (or 1335044732 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 34.

Adding to 20303331343432 its reverse (23434313330302), we get a palindrome (43737644673734).

The spelling of 20303331343432 in words is "twenty trillion, three hundred three billion, three hundred thirty-one million, three hundred forty-three thousand, four hundred thirty-two".