204330003220 has 192 divisors, whose sum is σ = 526243576320. Its totient is φ = 65158152192.

The previous prime is 204330003211. The next prime is 204330003233. The reversal of 204330003220 is 22300033402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12736324 + ... + 12752356.

It is an arithmetic number, because the mean of its divisors is an integer number (2740851960).

Almost surely, 2^204330003220 is an apocalyptic number.

204330003220 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 204330003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263121788160).

204330003220 is an abundant number, since it is smaller than the sum of its proper divisors (321913573100).

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

204330003220 is a wasteful number, since it uses less digits than its factorization.

204330003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16194 (or 16192 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 204330003220 its reverse (22300033402), we get a palindrome (226630036622).

The spelling of 204330003220 in words is "two hundred four billion, three hundred thirty million, three thousand, two hundred twenty".