20004353042100 has 216 divisors, whose sum is σ = 67670717859360. Its totient is φ = 4549212622080.

The previous prime is 20004353042017. The next prime is 20004353042123. The reversal of 20004353042100 is 124035340002.

It is a congruent number.

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, 558010 + ... + 6349809.

It is an arithmetic number, because the mean of its divisors is an integer number (313290360460).

Almost surely, 2^{20004353042100} is an apocalyptic number.

20004353042100 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 20004353042100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33835358929680).

20004353042100 is an abundant number, since it is smaller than the sum of its proper divisors (47666364817260).

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

20004353042100 is a wasteful number, since it uses less digits than its factorization.

20004353042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908047 (or 6908033 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20004353042100 its reverse (124035340002), we get a palindrome (20128388382102).

The spelling of 20004353042100 in words is "twenty trillion, four billion, three hundred fifty-three million, forty-two thousand, one hundred".