20204452456344 has 96 divisors (see below), whose sum is σ = 59325154434000. Its totient is φ = 6175031374080.

The previous prime is 20204452456343. The next prime is 20204452456387. The reversal of 20204452456344 is 44365425440202.

20204452456344 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 4 + 4 + 5 + 2 + 4 + 5 + 634 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20204452456344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204452456343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72296622 + ... + 72575549.

Almost surely, 2^{20204452456344} is an apocalyptic number.

20204452456344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20204452456344 is an abundant number, since it is smaller than the sum of its proper divisors (39120701977656).

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

20204452456344 is a wasteful number, since it uses less digits than its factorization.

20204452456344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144872345 (or 144872338 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

Adding to 20204452456344 its reverse (44365425440202), we get a palindrome (64569877896546).

The spelling of 20204452456344 in words is "twenty trillion, two hundred four billion, four hundred fifty-two million, four hundred fifty-six thousand, three hundred forty-four".