20204444400200 has 96 divisors (see below), whose sum is σ = 47084005805760. Its totient is φ = 8063086521600.

The previous prime is 20204444400199. The next prime is 20204444400209. The reversal of 20204444400200 is 200444440202.

It is a self number, because there is not a number n which added to its sum of digits gives 20204444400200.

It is not an unprimeable number, because it can be changed into a prime (20204444400209) 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, 953614007 + ... + 953635193.

It is an arithmetic number, because the mean of its divisors is an integer number (490458393810).

Almost surely, 2^{20204444400200} is an apocalyptic number.

20204444400200 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 20204444400200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23542002902880).

20204444400200 is an abundant number, since it is smaller than the sum of its proper divisors (26879561405560).

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

20204444400200 is a wasteful number, since it uses less digits than its factorization.

20204444400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32007 (or 31998 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20204444400200 its reverse (200444440202), we get a palindrome (20404888840402).

The spelling of 20204444400200 in words is "twenty trillion, two hundred four billion, four hundred forty-four million, four hundred thousand, two hundred".