204002047 has 2 divisors, whose sum is σ = 204002048. Its totient is φ = 204002046.

The previous prime is 204001997. The next prime is 204002083. The reversal of 204002047 is 740200402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204002047 - 2¹⁵ = 203969279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204002087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102001023 + 102001024.

It is an arithmetic number, because the mean of its divisors is an integer number (102001024).

Almost surely, 2^204002047 is an apocalyptic number.

204002047 is a deficient number, since it is larger than the sum of its proper divisors (1).

204002047 is an equidigital number, since it uses as much as digits as its factorization.

204002047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 204002047 is about 14282.9285162392. The cubic root of 204002047 is about 588.6785006701.

Adding to 204002047 its reverse (740200402), we get a palindrome (944202449).

The spelling of 204002047 in words is "two hundred four million, two thousand, forty-seven".