20244113 has 2 divisors, whose sum is σ = 20244114. Its totient is φ = 20244112.

The previous prime is 20244109. The next prime is 20244121. The reversal of 20244113 is 31144202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20178064 + 66049 = 4492^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 20244113 - 2² = 20244109 is a prime.

It is a super-2 number, since 2×20244113² = 819648222313538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20244091 and 20244100.

It is not a weakly prime, because it can be changed into another prime (20244173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122056 + 10122057.

It is an arithmetic number, because the mean of its divisors is an integer number (10122057).

Almost surely, 2^20244113 is an apocalyptic number.

It is an amenable number.

20244113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244113 is an equidigital number, since it uses as much as digits as its factorization.

20244113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20244113 is about 4499.3458413418. The cubic root of 20244113 is about 272.5416730588.

Adding to 20244113 its reverse (31144202), we get a palindrome (51388315).

The spelling of 20244113 in words is "twenty million, two hundred forty-four thousand, one hundred thirteen".