20206444207 has 2 divisors, whose sum is σ = 20206444208. Its totient is φ = 20206444206.

The previous prime is 20206444189. The next prime is 20206444213. The reversal of 20206444207 is 70244460202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20206444207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20206474207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10103222103 + 10103222104.

It is an arithmetic number, because the mean of its divisors is an integer number (10103222104).

Almost surely, 2^20206444207 is an apocalyptic number.

20206444207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20206444207 is an equidigital number, since it uses as much as digits as its factorization.

20206444207 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 31.

The spelling of 20206444207 in words is "twenty billion, two hundred six million, four hundred forty-four thousand, two hundred seven".