20208244307 has 2 divisors, whose sum is σ = 20208244308. Its totient is φ = 20208244306.

The previous prime is 20208244253. The next prime is 20208244313. The reversal of 20208244307 is 70344280202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20208244307 - 2¹⁰ = 20208243283 is a prime.

It is not a weakly prime, because it can be changed into another prime (20208244387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10104122153 + 10104122154.

It is an arithmetic number, because the mean of its divisors is an integer number (10104122154).

Almost surely, 2^20208244307 is an apocalyptic number.

20208244307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20208244307 is an equidigital number, since it uses as much as digits as its factorization.

20208244307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 20208244307 in words is "twenty billion, two hundred eight million, two hundred forty-four thousand, three hundred seven".