20344364630512 has 20 divisors (see below), whose sum is σ = 42449299277560. Its totient is φ = 9389706752448.

The previous prime is 20344364630479. The next prime is 20344364630549. The reversal of 20344364630512 is 21503646344302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48904722462 + ... + 48904722877.

It is an arithmetic number, because the mean of its divisors is an integer number (2122464963878).

Almost surely, 2^{20344364630512} is an apocalyptic number.

It is an amenable number.

20344364630512 is an abundant number, since it is smaller than the sum of its proper divisors (22104934647048).

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

20344364630512 is a wasteful number, since it uses less digits than its factorization.

20344364630512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97809445360 (or 97809445354 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 20344364630512 in words is "twenty trillion, three hundred forty-four billion, three hundred sixty-four million, six hundred thirty thousand, five hundred twelve".