20303003111124 has 48 divisors (see below), whose sum is σ = 49007835717120. Its totient is φ = 6534221608320.

The previous prime is 20303003111117. The next prime is 20303003111129. The reversal of 20303003111124 is 42111130030302.

It is a self number, because there is not a number n which added to its sum of digits gives 20303003111124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303003111129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33445789 + ... + 34047419.

It is an arithmetic number, because the mean of its divisors is an integer number (1020996577440).

Almost surely, 2^{20303003111124} is an apocalyptic number.

It is an amenable number.

20303003111124 is an abundant number, since it is smaller than the sum of its proper divisors (28704832605996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20303003111124 is a wasteful number, since it uses less digits than its factorization.

20303003111124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698640 (or 698638 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20303003111124 its reverse (42111130030302), we get a palindrome (62414133141426).

The spelling of 20303003111124 in words is "twenty trillion, three hundred three billion, three million, one hundred eleven thousand, one hundred twenty-four".