20227944365 has 16 divisors (see below), whose sum is σ = 24799972608. Its totient is φ = 15831673536.

The previous prime is 20227944353. The next prime is 20227944383. The reversal of 20227944365 is 56344972202.

It is a cyclic number.

It is not a de Polignac number, because 20227944365 - 2⁶ = 20227944301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616874 + ... + 648836.

It is an arithmetic number, because the mean of its divisors is an integer number (1549998288).

Almost surely, 2^20227944365 is an apocalyptic number.

It is an amenable number.

20227944365 is a deficient number, since it is larger than the sum of its proper divisors (4572028243).

20227944365 is a wasteful number, since it uses less digits than its factorization.

20227944365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34708.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 20227944365 in words is "twenty billion, two hundred twenty-seven million, nine hundred forty-four thousand, three hundred sixty-five".