204741221982 has 32 divisors (see below), whose sum is σ = 446742653184. Its totient is φ = 62037998400.

The previous prime is 204741221941. The next prime is 204741221983. The reversal of 204741221982 is 289122147402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204741221983) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 792543 + ... + 1018629.

It is an arithmetic number, because the mean of its divisors is an integer number (13960707912).

Almost surely, 2^204741221982 is an apocalyptic number.

204741221982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204741221982 is an abundant number, since it is smaller than the sum of its proper divisors (242001431202).

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

204741221982 is a wasteful number, since it uses less digits than its factorization.

204741221982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239824.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 204741221982 in words is "two hundred four billion, seven hundred forty-one million, two hundred twenty-one thousand, nine hundred eighty-two".