204248120453 has 8 divisors (see below), whose sum is σ = 220252413696. Its totient is φ = 188285670000.

The previous prime is 204248120443. The next prime is 204248120467. The reversal of 204248120453 is 354021842402.

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 204248120453 - 2³⁴ = 187068251269 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 (204248120443) 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, 10450553 + ... + 10470078.

It is an arithmetic number, because the mean of its divisors is an integer number (27531551712).

Almost surely, 2^204248120453 is an apocalyptic number.

It is an amenable number.

204248120453 is a deficient number, since it is larger than the sum of its proper divisors (16004293243).

204248120453 is a wasteful number, since it uses less digits than its factorization.

204248120453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20921395.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 204248120453 its reverse (354021842402), we get a palindrome (558269962855).

The spelling of 204248120453 in words is "two hundred four billion, two hundred forty-eight million, one hundred twenty thousand, four hundred fifty-three".