208020107 has 2 divisors, whose sum is σ = 208020108. Its totient is φ = 208020106.

The previous prime is 208020097. The next prime is 208020149. The reversal of 208020107 is 701020802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208020107 - 2¹⁴ = 208003723 is a prime.

It is not a weakly prime, because it can be changed into another prime (208020157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104010053 + 104010054.

It is an arithmetic number, because the mean of its divisors is an integer number (104010054).

Almost surely, 2^208020107 is an apocalyptic number.

208020107 is a deficient number, since it is larger than the sum of its proper divisors (1).

208020107 is an equidigital number, since it uses as much as digits as its factorization.

208020107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 208020107 is about 14422.9021698131. The cubic root of 208020107 is about 592.5183050241.

Adding to 208020107 its reverse (701020802), we get a palindrome (909040909).

The spelling of 208020107 in words is "two hundred eight million, twenty thousand, one hundred seven".