20044035916800 has 1056 divisors, whose sum is σ = 77887458883584. Its totient is φ = 4450713600000.

The previous prime is 20044035916799. The next prime is 20044035916829. The reversal of 20044035916800 is 861953044002.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5532439789 + ... + 5532443411.

Almost surely, 2^{20044035916800} is an apocalyptic number.

20044035916800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20044035916800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38943729441792).

20044035916800 is an abundant number, since it is smaller than the sum of its proper divisors (57843422966784).

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

20044035916800 is a wasteful number, since it uses less digits than its factorization.

20044035916800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3932 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 20044035916800 in words is "twenty trillion, forty-four billion, thirty-five million, nine hundred sixteen thousand, eight hundred".