20441432351 has 2 divisors, whose sum is σ = 20441432352. Its totient is φ = 20441432350.

The previous prime is 20441432299. The next prime is 20441432377. The reversal of 20441432351 is 15323414402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20441432351 - 2¹⁰ = 20441431327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20441432381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220716175 + 10220716176.

It is an arithmetic number, because the mean of its divisors is an integer number (10220716176).

Almost surely, 2^20441432351 is an apocalyptic number.

20441432351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441432351 is an equidigital number, since it uses as much as digits as its factorization.

20441432351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20441432351 its reverse (15323414402), we get a palindrome (35764846753).

The spelling of 20441432351 in words is "twenty billion, four hundred forty-one million, four hundred thirty-two thousand, three hundred fifty-one".