20444223727 has 8 divisors (see below), whose sum is σ = 20686962816. Its totient is φ = 20202335832.

The previous prime is 20444223703. The next prime is 20444223781. The reversal of 20444223727 is 72732244402.

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

It is a cyclic number.

It is not a de Polignac number, because 20444223727 - 2⁷ = 20444223599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441223727) 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, 164413 + ... + 260614.

It is an arithmetic number, because the mean of its divisors is an integer number (2585870352).

Almost surely, 2^20444223727 is an apocalyptic number.

20444223727 is a deficient number, since it is larger than the sum of its proper divisors (242739089).

20444223727 is a wasteful number, since it uses less digits than its factorization.

20444223727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425597.

The product of its (nonzero) digits is 150528, while the sum is 37.

The spelling of 20444223727 in words is "twenty billion, four hundred forty-four million, two hundred twenty-three thousand, seven hundred twenty-seven".