204315120007 has 4 divisors (see below), whose sum is σ = 216333656496. Its totient is φ = 192296583520.

The previous prime is 204315119999. The next prime is 204315120067. The reversal of 204315120007 is 700021513402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204315120007 - 2³ = 204315119999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204315120067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6009268219 + ... + 6009268252.

It is an arithmetic number, because the mean of its divisors is an integer number (54083414124).

Almost surely, 2^204315120007 is an apocalyptic number.

204315120007 is a deficient number, since it is larger than the sum of its proper divisors (12018536489).

204315120007 is a wasteful number, since it uses less digits than its factorization.

204315120007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12018536488.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 204315120007 its reverse (700021513402), we get a palindrome (904336633409).

The spelling of 204315120007 in words is "two hundred four billion, three hundred fifteen million, one hundred twenty thousand, seven".