204472147 has 8 divisors (see below), whose sum is σ = 223257600. Its totient is φ = 185719560.

The previous prime is 204472133. The next prime is 204472153. The reversal of 204472147 is 741274402.

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 204472147 - 2¹¹ = 204470099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204472117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5854 + ... + 21052.

It is an arithmetic number, because the mean of its divisors is an integer number (27907200).

Almost surely, 2^204472147 is an apocalyptic number.

204472147 is a deficient number, since it is larger than the sum of its proper divisors (18785453).

204472147 is a wasteful number, since it uses less digits than its factorization.

204472147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 204472147 is about 14299.3757556056. The cubic root of 204472147 is about 589.1303351304.

The spelling of 204472147 in words is "two hundred four million, four hundred seventy-two thousand, one hundred forty-seven".