20331631364126 has 32 divisors (see below), whose sum is σ = 31618043621280. Its totient is φ = 9793828195200.

The previous prime is 20331631364117. The next prime is 20331631364131. The reversal of 20331631364126 is 62146313613302.

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 15 ways as a sum of consecutive naturals, for example, 94371560 + ... + 94586756.

It is an arithmetic number, because the mean of its divisors is an integer number (988063863165).

Almost surely, 2^{20331631364126} is an apocalyptic number.

20331631364126 is a deficient number, since it is larger than the sum of its proper divisors (11286412257154).

20331631364126 is a wasteful number, since it uses less digits than its factorization.

20331631364126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218780.

The product of its (nonzero) digits is 279936, while the sum is 41.

Adding to 20331631364126 its reverse (62146313613302), we get a palindrome (82477944977428).

The spelling of 20331631364126 in words is "twenty trillion, three hundred thirty-one billion, six hundred thirty-one million, three hundred sixty-four thousand, one hundred twenty-six".