204320300045 has 8 divisors (see below), whose sum is σ = 246746044824. Its totient is φ = 162415116864.

The previous prime is 204320300033. The next prime is 204320300071. The reversal of 204320300045 is 540003023402.

It can be written as a sum of positive squares in 4 ways, for example, as 50814627241 + 153505672804 = 225421^2 + 391798^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 204320300045 - 2⁴ = 204320300029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130139534 + ... + 130141103.

It is an arithmetic number, because the mean of its divisors is an integer number (30843255603).

Almost surely, 2^204320300045 is an apocalyptic number.

It is an amenable number.

204320300045 is a deficient number, since it is larger than the sum of its proper divisors (42425744779).

204320300045 is a wasteful number, since it uses less digits than its factorization.

204320300045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260280799.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 204320300045 its reverse (540003023402), we get a palindrome (744323323447).

The spelling of 204320300045 in words is "two hundred four billion, three hundred twenty million, three hundred thousand, forty-five".