20523734024316 has 12 divisors (see below), whose sum is σ = 47888712723432. Its totient is φ = 6841244674768.

The previous prime is 20523734024219. The next prime is 20523734024377. The reversal of 20523734024316 is 61342043732502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855155584335 + ... + 855155584358.

It is an arithmetic number, because the mean of its divisors is an integer number (3990726060286).

Almost surely, 2^{20523734024316} is an apocalyptic number.

It is an amenable number.

20523734024316 is an abundant number, since it is smaller than the sum of its proper divisors (27364978699116).

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

20523734024316 is a wasteful number, since it uses less digits than its factorization.

20523734024316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710311168700 (or 1710311168698 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

Adding to 20523734024316 its reverse (61342043732502), we get a palindrome (81865777756818).

The spelling of 20523734024316 in words is "twenty trillion, five hundred twenty-three billion, seven hundred thirty-four million, twenty-four thousand, three hundred sixteen".