20272245566 has 8 divisors (see below), whose sum is σ = 30463961160. Its totient is φ = 10117591848.

The previous prime is 20272245481. The next prime is 20272245569. The reversal of 20272245566 is 66554227202.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20272245569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9264101 + ... + 9266288.

It is an arithmetic number, because the mean of its divisors is an integer number (3807995145).

Almost surely, 2^20272245566 is an apocalyptic number.

20272245566 is a deficient number, since it is larger than the sum of its proper divisors (10191715594).

20272245566 is a wasteful number, since it uses less digits than its factorization.

20272245566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18530938.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 20272245566 in words is "twenty billion, two hundred seventy-two million, two hundred forty-five thousand, five hundred sixty-six".