204320053 has 12 divisors (see below), whose sum is σ = 250188960. Its totient is φ = 165913272.

The previous prime is 204320027. The next prime is 204320069. The reversal of 204320053 is 350023402.

It is not a de Polignac number, because 204320053 - 2¹⁷ = 204188981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 204320053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204320003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108801 + ... + 110662.

It is an arithmetic number, because the mean of its divisors is an integer number (20849080).

Almost surely, 2^204320053 is an apocalyptic number.

It is an amenable number.

204320053 is a deficient number, since it is larger than the sum of its proper divisors (45868907).

204320053 is a wasteful number, since it uses less digits than its factorization.

204320053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219496 (or 219489 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 204320053 is about 14294.0565620820. The cubic root of 204320053 is about 588.9842265342.

Adding to 204320053 its reverse (350023402), we get a palindrome (554343455).

The spelling of 204320053 in words is "two hundred four million, three hundred twenty thousand, fifty-three".