204453032107 has 4 divisors (see below), whose sum is σ = 206363808216. Its totient is φ = 202542256000.

The previous prime is 204453032053. The next prime is 204453032123. The reversal of 204453032107 is 701230354402.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204453032107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204453032207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955387894 + ... + 955388107.

It is an arithmetic number, because the mean of its divisors is an integer number (51590952054).

Almost surely, 2^204453032107 is an apocalyptic number.

204453032107 is a deficient number, since it is larger than the sum of its proper divisors (1910776109).

204453032107 is a wasteful number, since it uses less digits than its factorization.

204453032107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910776108.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 204453032107 its reverse (701230354402), we get a palindrome (905683386509).

The spelling of 204453032107 in words is "two hundred four billion, four hundred fifty-three million, thirty-two thousand, one hundred seven".