20224243999 has 2 divisors, whose sum is σ = 20224244000. Its totient is φ = 20224243998.

The previous prime is 20224243981. The next prime is 20224244059. The reversal of 20224243999 is 99934242202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20224243999 - 2²⁵ = 20190689567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20224243979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112121999 + 10112122000.

It is an arithmetic number, because the mean of its divisors is an integer number (10112122000).

Almost surely, 2^20224243999 is an apocalyptic number.

20224243999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224243999 is an equidigital number, since it uses as much as digits as its factorization.

20224243999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 20224243999 in words is "twenty billion, two hundred twenty-four million, two hundred forty-three thousand, nine hundred ninety-nine".