204021042644210 has 96 divisors (see below), whose sum is σ = 404689315508352. Its totient is φ = 73443968000000.

The previous prime is 204021042644201. The next prime is 204021042644303. The reversal of 204021042644210 is 12446240120402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13645972235 + ... + 13645987185.

It is an arithmetic number, because the mean of its divisors is an integer number (4215513703212).

Almost surely, 2^{204021042644210} is an apocalyptic number.

204021042644210 is a deficient number, since it is larger than the sum of its proper divisors (200668272864142).

204021042644210 is a wasteful number, since it uses less digits than its factorization.

204021042644210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27332 (or 27231 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 204021042644210 its reverse (12446240120402), we get a palindrome (216467282764612).

The spelling of 204021042644210 in words is "two hundred four trillion, twenty-one billion, forty-two million, six hundred forty-four thousand, two hundred ten".