204044433100 has 72 divisors (see below), whose sum is σ = 449621222400. Its totient is φ = 80357344320.

The previous prime is 204044433071. The next prime is 204044433101. The reversal of 204044433100 is 1334440402.

It is a super-2 number, since 2×204044433100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (204044433101) 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, 14780001 + ... + 14793799.

It is an arithmetic number, because the mean of its divisors is an integer number (6244739200).

Almost surely, 2^204044433100 is an apocalyptic number.

204044433100 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 204044433100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224810611200).

204044433100 is an abundant number, since it is smaller than the sum of its proper divisors (245576789300).

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

204044433100 is a wasteful number, since it uses less digits than its factorization.

204044433100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16087 (or 16080 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 204044433100 its reverse (1334440402), we get a palindrome (205378873502).

The spelling of 204044433100 in words is "two hundred four billion, forty-four million, four hundred thirty-three thousand, one hundred".