206206444004 has 24 divisors (see below), whose sum is σ = 398409828768. Its totient is φ = 92600920640.

The previous prime is 206206444001. The next prime is 206206444021. The reversal of 206206444004 is 400444602602.

It is not an unprimeable number, because it can be changed into a prime (206206444001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28228337 + ... + 28235640.

It is an arithmetic number, because the mean of its divisors is an integer number (16600409532).

Almost surely, 2^206206444004 is an apocalyptic number.

It is an amenable number.

206206444004 is a deficient number, since it is larger than the sum of its proper divisors (192203384764).

206206444004 is a wasteful number, since it uses less digits than its factorization.

206206444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56464075 (or 56464073 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 206206444004 in words is "two hundred six billion, two hundred six million, four hundred forty-four thousand, four".