206225990147 has 2 divisors, whose sum is σ = 206225990148. Its totient is φ = 206225990146.

The previous prime is 206225990129. The next prime is 206225990153. The reversal of 206225990147 is 741099522602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206225990147 - 2⁸ = 206225989891 is a prime.

It is a super-2 number, since 2×206225990147² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (206225990167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103112995073 + 103112995074.

It is an arithmetic number, because the mean of its divisors is an integer number (103112995074).

Almost surely, 2^206225990147 is an apocalyptic number.

206225990147 is a deficient number, since it is larger than the sum of its proper divisors (1).

206225990147 is an equidigital number, since it uses as much as digits as its factorization.

206225990147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 206225990147 in words is "two hundred six billion, two hundred twenty-five million, nine hundred ninety thousand, one hundred forty-seven".