20441231039 has 2 divisors, whose sum is σ = 20441231040. Its totient is φ = 20441231038.

The previous prime is 20441231003. The next prime is 20441231047. The reversal of 20441231039 is 93013214402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20441231039 - 2¹² = 20441226943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20441230039) 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 as a sum of consecutive naturals, namely, 10220615519 + 10220615520.

It is an arithmetic number, because the mean of its divisors is an integer number (10220615520).

Almost surely, 2^20441231039 is an apocalyptic number.

20441231039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441231039 is an equidigital number, since it uses as much as digits as its factorization.

20441231039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 20441231039 in words is "twenty billion, four hundred forty-one million, two hundred thirty-one thousand, thirty-nine".