20224263247 has 2 divisors, whose sum is σ = 20224263248. Its totient is φ = 20224263246.

The previous prime is 20224263217. The next prime is 20224263251. The reversal of 20224263247 is 74236242202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20224263247 - 2¹⁹ = 20223738959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20224263217) 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, 10112131623 + 10112131624.

It is an arithmetic number, because the mean of its divisors is an integer number (10112131624).

Almost surely, 2^20224263247 is an apocalyptic number.

20224263247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224263247 is an equidigital number, since it uses as much as digits as its factorization.

20224263247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 20224263247 in words is "twenty billion, two hundred twenty-four million, two hundred sixty-three thousand, two hundred forty-seven".