20444112427 has 2 divisors, whose sum is σ = 20444112428. Its totient is φ = 20444112426.

The previous prime is 20444112391. The next prime is 20444112443. The reversal of 20444112427 is 72421144402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20444112427 - 2²⁷ = 20309894699 is a prime.

It is not a weakly prime, because it can be changed into another prime (20444112457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222056213 + 10222056214.

It is an arithmetic number, because the mean of its divisors is an integer number (10222056214).

Almost surely, 2^20444112427 is an apocalyptic number.

20444112427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20444112427 is an equidigital number, since it uses as much as digits as its factorization.

20444112427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 31.

Adding to 20444112427 its reverse (72421144402), we get a palindrome (92865256829).

The spelling of 20444112427 in words is "twenty billion, four hundred forty-four million, one hundred twelve thousand, four hundred twenty-seven".