20104359900800 has 576 divisors, whose sum is σ = 59647822295040. Its totient is φ = 6671147212800.

The previous prime is 20104359900791. The next prime is 20104359900811. The reversal of 20104359900800 is 800995340102.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1108096529 + ... + 1108114671.

It is an arithmetic number, because the mean of its divisors is an integer number (103555247040).

Almost surely, 2^{20104359900800} is an apocalyptic number.

20104359900800 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 20104359900800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29823911147520).

20104359900800 is an abundant number, since it is smaller than the sum of its proper divisors (39543462394240).

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

20104359900800 is a wasteful number, since it uses less digits than its factorization.

20104359900800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18409 (or 18385 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 20104359900800 in words is "twenty trillion, one hundred four billion, three hundred fifty-nine million, nine hundred thousand, eight hundred".