204000222220 has 36 divisors (see below), whose sum is σ = 437709399120. Its totient is φ = 79863899488.

The previous prime is 204000222187. The next prime is 204000222259. The reversal of 204000222220 is 22222000402.

It is a junction number, because it is equal to n+sod(n) for n = 204000222194 and 204000222203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2264560 + ... + 2352919.

It is an arithmetic number, because the mean of its divisors is an integer number (12158594420).

Almost surely, 2^204000222220 is an apocalyptic number.

204000222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204000222220 is an abundant number, since it is smaller than the sum of its proper divisors (233709176900).

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

204000222220 is a wasteful number, since it uses less digits than its factorization.

204000222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617582 (or 4617533 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 204000222220 its reverse (22222000402), we get a palindrome (226222222622).

The spelling of 204000222220 in words is "two hundred four billion, two hundred twenty-two thousand, two hundred twenty".