204233540015 has 8 divisors (see below), whose sum is σ = 257979208560. Its totient is φ = 154787524992.

The previous prime is 204233539933. The next prime is 204233540089. The reversal of 204233540015 is 510045332402.

It is a happy number.

204233540015 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204233540015 is a prime.

It is a super-2 number, since 2×204233540015² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204233540015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074913274 + ... + 1074913463.

It is an arithmetic number, because the mean of its divisors is an integer number (32247401070).

Almost surely, 2^204233540015 is an apocalyptic number.

204233540015 is a deficient number, since it is larger than the sum of its proper divisors (53745668545).

204233540015 is a wasteful number, since it uses less digits than its factorization.

204233540015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149826761.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 204233540015 its reverse (510045332402), we get a palindrome (714278872417).

The spelling of 204233540015 in words is "two hundred four billion, two hundred thirty-three million, five hundred forty thousand, fifteen".