20424226099 has 2 divisors, whose sum is σ = 20424226100. Its totient is φ = 20424226098.

The previous prime is 20424226061. The next prime is 20424226103. The reversal of 20424226099 is 99062242402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20424226099 - 2⁷ = 20424225971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20424226049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212113049 + 10212113050.

It is an arithmetic number, because the mean of its divisors is an integer number (10212113050).

Almost surely, 2^20424226099 is an apocalyptic number.

20424226099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424226099 is an equidigital number, since it uses as much as digits as its factorization.

20424226099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 20424226099 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-six thousand, ninety-nine".