204433653057 has 8 divisors (see below), whose sum is σ = 273548234400. Its totient is φ = 135804086880.

The previous prime is 204433653049. The next prime is 204433653091. The reversal of 204433653057 is 750356334402.

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

It is not a de Polignac number, because 204433653057 - 2³ = 204433653049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204433653257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121252807 + ... + 121254492.

It is an arithmetic number, because the mean of its divisors is an integer number (34193529300).

Almost surely, 2^204433653057 is an apocalyptic number.

It is an amenable number.

204433653057 is a deficient number, since it is larger than the sum of its proper divisors (69114581343).

204433653057 is a wasteful number, since it uses less digits than its factorization.

204433653057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242507583.

The product of its (nonzero) digits is 907200, while the sum is 42.

Adding to 204433653057 its reverse (750356334402), we get a palindrome (954789987459).

The spelling of 204433653057 in words is "two hundred four billion, four hundred thirty-three million, six hundred fifty-three thousand, fifty-seven".