20344633055232 has 192 divisors, whose sum is σ = 57440233468800. Its totient is φ = 6381453312000.

The previous prime is 20344633055231. The next prime is 20344633055261. The reversal of 20344633055232 is 23255033644302.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344633055231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695504607 + ... + 695533857.

It is an arithmetic number, because the mean of its divisors is an integer number (299167882650).

Almost surely, 2^{20344633055232} 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 20344633055232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28720116734400).

20344633055232 is an abundant number, since it is smaller than the sum of its proper divisors (37095600413568).

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

20344633055232 is a wasteful number, since it uses less digits than its factorization.

20344633055232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35952 (or 35932 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 42.

Adding to 20344633055232 its reverse (23255033644302), we get a palindrome (43599666699534).

The spelling of 20344633055232 in words is "twenty trillion, three hundred forty-four billion, six hundred thirty-three million, fifty-five thousand, two hundred thirty-two".