204051145520242 has 8 divisors (see below), whose sum is σ = 315950160805632. Its totient is φ = 98734425251700.

The previous prime is 204051145520239. The next prime is 204051145520353. The reversal of 204051145520242 is 242025541150402.

204051145520242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1645573754134 + ... + 1645573754257.

It is an arithmetic number, because the mean of its divisors is an integer number (39493770100704).

Almost surely, 2^{204051145520242} is an apocalyptic number.

204051145520242 is a deficient number, since it is larger than the sum of its proper divisors (111899015285390).

204051145520242 is a wasteful number, since it uses less digits than its factorization.

204051145520242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291147508424.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 204051145520242 its reverse (242025541150402), we get a palindrome (446076686670644).

The spelling of 204051145520242 in words is "two hundred four trillion, fifty-one billion, one hundred forty-five million, five hundred twenty thousand, two hundred forty-two".