20303131330232 has 16 divisors (see below), whose sum is σ = 38550249362400. Its totient is φ = 10023064833600.

The previous prime is 20303131330219. The next prime is 20303131330277. The reversal of 20303131330232 is 23203313130302.

It is a happy number.

It is a congruent number.

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, 16062603269 + ... + 16062604532.

It is an arithmetic number, because the mean of its divisors is an integer number (2409390585150).

Almost surely, 2^{20303131330232} is an apocalyptic number.

It is an amenable number.

20303131330232 is a deficient number, since it is larger than the sum of its proper divisors (18247118032168).

20303131330232 is a wasteful number, since it uses less digits than its factorization.

20303131330232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32125207886 (or 32125207882 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20303131330232 its reverse (23203313130302), we get a palindrome (43506444460534).

The spelling of 20303131330232 in words is "twenty trillion, three hundred three billion, one hundred thirty-one million, three hundred thirty thousand, two hundred thirty-two".