20006444266 has 8 divisors (see below), whose sum is σ = 30010828320. Its totient is φ = 10002834828.

The previous prime is 20006444243. The next prime is 20006444279. The reversal of 20006444266 is 66244460002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124086 + ... + 235393.

It is an arithmetic number, because the mean of its divisors is an integer number (3751353540).

Almost surely, 2^20006444266 is an apocalyptic number.

20006444266 is a deficient number, since it is larger than the sum of its proper divisors (10004384054).

20006444266 is a wasteful number, since it uses less digits than its factorization.

20006444266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387308.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 20006444266 in words is "twenty billion, six million, four hundred forty-four thousand, two hundred sixty-six".