204242065364 has 6 divisors (see below), whose sum is σ = 357423614394. Its totient is φ = 102121032680.

The previous prime is 204242065327. The next prime is 204242065369. The reversal of 204242065364 is 463560242402.

It can be written as a sum of positive squares in only one way, i.e., 168863464900 + 35378600464 = 410930^2 + 188092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204242065369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530258167 + ... + 25530258174.

It is an arithmetic number, because the mean of its divisors is an integer number (59570602399).

Almost surely, 2^204242065364 is an apocalyptic number.

It is an amenable number.

204242065364 is a deficient number, since it is larger than the sum of its proper divisors (153181549030).

204242065364 is a wasteful number, since it uses less digits than its factorization.

204242065364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51060516345 (or 51060516343 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 204242065364 in words is "two hundred four billion, two hundred forty-two million, sixty-five thousand, three hundred sixty-four".