20344366503312 has 20 divisors (see below), whose sum is σ = 52556280133680. Its totient is φ = 6781455501088.

The previous prime is 20344366503283. The next prime is 20344366503313. The reversal of 20344366503312 is 21330566344302.

It is not an unprimeable number, because it can be changed into a prime (20344366503313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211920484362 + ... + 211920484457.

It is an arithmetic number, because the mean of its divisors is an integer number (2627814006684).

Almost surely, 2^{20344366503312} is an apocalyptic number.

It is an amenable number.

20344366503312 is an abundant number, since it is smaller than the sum of its proper divisors (32211913630368).

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

20344366503312 is a wasteful number, since it uses less digits than its factorization.

20344366503312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423840968830 (or 423840968824 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 20344366503312 in words is "twenty trillion, three hundred forty-four billion, three hundred sixty-six million, five hundred three thousand, three hundred twelve".