204260700064 has 24 divisors (see below), whose sum is σ = 416005091460. Its totient is φ = 98608613376.

The previous prime is 204260700053. The next prime is 204260700089. The reversal of 204260700064 is 460007062402.

It can be written as a sum of positive squares in 2 ways, for example, as 201547123600 + 2713576464 = 448940^2 + 52092^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204260699999 and 204260700035.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110053329 + ... + 110055184.

Almost surely, 2^204260700064 is an apocalyptic number.

It is an amenable number.

204260700064 is an abundant number, since it is smaller than the sum of its proper divisors (211744391396).

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

204260700064 is a wasteful number, since it uses less digits than its factorization.

204260700064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220108552 (or 220108544 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 204260700064 its reverse (460007062402), we get a palindrome (664267762466).

The spelling of 204260700064 in words is "two hundred four billion, two hundred sixty million, seven hundred thousand, sixty-four".