204012002354 has 16 divisors (see below), whose sum is σ = 315989600256. Its totient is φ = 98684220000.

The previous prime is 204012002291. The next prime is 204012002387. The reversal of 204012002354 is 453200210402.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323147 + ... + 715854.

It is an arithmetic number, because the mean of its divisors is an integer number (19749350016).

Almost surely, 2^204012002354 is an apocalyptic number.

204012002354 is a deficient number, since it is larger than the sum of its proper divisors (111977597902).

204012002354 is a wasteful number, since it uses less digits than its factorization.

204012002354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042201.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 204012002354 its reverse (453200210402), we get a palindrome (657212212756).

The spelling of 204012002354 in words is "two hundred four billion, twelve million, two thousand, three hundred fifty-four".