20444231063 has 2 divisors, whose sum is σ = 20444231064. Its totient is φ = 20444231062.

The previous prime is 20444231047. The next prime is 20444231177. The reversal of 20444231063 is 36013244402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20444231063 - 2⁴ = 20444231047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20444231023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222115531 + 10222115532.

It is an arithmetic number, because the mean of its divisors is an integer number (10222115532).

Almost surely, 2^20444231063 is an apocalyptic number.

20444231063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20444231063 is an equidigital number, since it uses as much as digits as its factorization.

20444231063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20444231063 its reverse (36013244402), we get a palindrome (56457475465).

The spelling of 20444231063 in words is "twenty billion, four hundred forty-four million, two hundred thirty-one thousand, sixty-three".