20244406219 has 2 divisors, whose sum is σ = 20244406220. Its totient is φ = 20244406218.

The previous prime is 20244406207. The next prime is 20244406249. The reversal of 20244406219 is 91260444202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20244406219 - 2⁵ = 20244406187 is a prime.

It is a super-2 number, since 2×20244406219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20244406249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122203109 + 10122203110.

It is an arithmetic number, because the mean of its divisors is an integer number (10122203110).

Almost surely, 2^20244406219 is an apocalyptic number.

20244406219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244406219 is an equidigital number, since it uses as much as digits as its factorization.

20244406219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 20244406219 in words is "twenty billion, two hundred forty-four million, four hundred six thousand, two hundred nineteen".