20224498449791 has 2 divisors, whose sum is σ = 20224498449792. Its totient is φ = 20224498449790.

The previous prime is 20224498449787. The next prime is 20224498449863. The reversal of 20224498449791 is 19794489442202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20224498449791 - 2² = 20224498449787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20224498449391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112249224895 + 10112249224896.

It is an arithmetic number, because the mean of its divisors is an integer number (10112249224896).

Almost surely, 2^{20224498449791} is an apocalyptic number.

20224498449791 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224498449791 is an equidigital number, since it uses as much as digits as its factorization.

20224498449791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83607552, while the sum is 65.

The spelling of 20224498449791 in words is "twenty trillion, two hundred twenty-four billion, four hundred ninety-eight million, four hundred forty-nine thousand, seven hundred ninety-one".