204820264147 has 2 divisors, whose sum is σ = 204820264148. Its totient is φ = 204820264146.

The previous prime is 204820264133. The next prime is 204820264153. The reversal of 204820264147 is 741462028402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204820264147 - 2¹⁵ = 204820231379 is a prime.

It is not a weakly prime, because it can be changed into another prime (204820264247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102410132073 + 102410132074.

It is an arithmetic number, because the mean of its divisors is an integer number (102410132074).

Almost surely, 2^204820264147 is an apocalyptic number.

204820264147 is a deficient number, since it is larger than the sum of its proper divisors (1).

204820264147 is an equidigital number, since it uses as much as digits as its factorization.

204820264147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 204820264147 in words is "two hundred four billion, eight hundred twenty million, two hundred sixty-four thousand, one hundred forty-seven".