204020566242036 has 24 divisors (see below), whose sum is σ = 476079363000864. Its totient is φ = 68002373256480.

The previous prime is 204020566241939. The next prime is 204020566242139. The reversal of 204020566242036 is 630242665020402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560080030 + ... + 560444181.

It is an arithmetic number, because the mean of its divisors is an integer number (19836640125036).

Almost surely, 2^{204020566242036} is an apocalyptic number.

It is an amenable number.

204020566242036 is an abundant number, since it is smaller than the sum of its proper divisors (272058796758828).

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

204020566242036 is a wasteful number, since it uses less digits than its factorization.

204020566242036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120539391 (or 1120539389 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 204020566242036 in words is "two hundred four trillion, twenty billion, five hundred sixty-six million, two hundred forty-two thousand, thirty-six".