20302111132312 has 32 divisors (see below), whose sum is σ = 38257091510400. Its totient is φ = 10100276653824.

The previous prime is 20302111132297. The next prime is 20302111132333. The reversal of 20302111132312 is 21323111120302.

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 7 ways as a sum of consecutive naturals, for example, 665293 + ... + 6406780.

It is an arithmetic number, because the mean of its divisors is an integer number (1195534109700).

Almost surely, 2^{20302111132312} is an apocalyptic number.

It is an amenable number.

20302111132312 is a deficient number, since it is larger than the sum of its proper divisors (17954980378088).

20302111132312 is a wasteful number, since it uses less digits than its factorization.

20302111132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073875 (or 7073871 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20302111132312 its reverse (21323111120302), we get a palindrome (41625222252614).

The spelling of 20302111132312 in words is "twenty trillion, three hundred two billion, one hundred eleven million, one hundred thirty-two thousand, three hundred twelve".