204102086147 has 2 divisors, whose sum is σ = 204102086148. Its totient is φ = 204102086146.

The previous prime is 204102086137. The next prime is 204102086219. The reversal of 204102086147 is 741680201402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204102086147 is a prime.

It is not a weakly prime, because it can be changed into another prime (204102086137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102051043073 + 102051043074.

It is an arithmetic number, because the mean of its divisors is an integer number (102051043074).

Almost surely, 2^204102086147 is an apocalyptic number.

204102086147 is a deficient number, since it is larger than the sum of its proper divisors (1).

204102086147 is an equidigital number, since it uses as much as digits as its factorization.

204102086147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 204102086147 its reverse (741680201402), we get a palindrome (945782287549).

The spelling of 204102086147 in words is "two hundred four billion, one hundred two million, eighty-six thousand, one hundred forty-seven".