204220220704 has 24 divisors (see below), whose sum is σ = 415922649660. Its totient is φ = 98589071616.

The previous prime is 204220220693. The next prime is 204220220741. The reversal of 204220220704 is 407022022402.

It can be written as a sum of positive squares in 2 ways, for example, as 203087225104 + 1132995600 = 450652^2 + 33660^2 .

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 3 ways as a sum of consecutive naturals, for example, 110031519 + ... + 110033374.

Almost surely, 2^204220220704 is an apocalyptic number.

It is an amenable number.

204220220704 is an abundant number, since it is smaller than the sum of its proper divisors (211702428956).

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

204220220704 is a wasteful number, since it uses less digits than its factorization.

204220220704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220064932 (or 220064924 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The spelling of 204220220704 in words is "two hundred four billion, two hundred twenty million, two hundred twenty thousand, seven hundred four".