20344522624504 has 128 divisors (see below), whose sum is σ = 42184982347200. Its totient is φ = 9138867978240.

The previous prime is 20344522624471. The next prime is 20344522624511. The reversal of 20344522624504 is 40542622544302.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 31 ways as a sum of consecutive naturals, for example, 2697850974 + ... + 2697858514.

Almost surely, 2^{20344522624504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20344522624504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21092491173600).

20344522624504 is an abundant number, since it is smaller than the sum of its proper divisors (21840459722696).

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

20344522624504 is a wasteful number, since it uses less digits than its factorization.

20344522624504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665 (or 9661 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 43.

The spelling of 20344522624504 in words is "twenty trillion, three hundred forty-four billion, five hundred twenty-two million, six hundred twenty-four thousand, five hundred four".