20226113 has 2 divisors, whose sum is σ = 20226114. Its totient is φ = 20226112.

The previous prime is 20226109. The next prime is 20226119. The reversal of 20226113 is 31162202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15460624 + 4765489 = 3932^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 20226113 - 2² = 20226109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20226091 and 20226100.

It is not a weakly prime, because it can be changed into another prime (20226119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10113056 + 10113057.

It is an arithmetic number, because the mean of its divisors is an integer number (10113057).

Almost surely, 2^20226113 is an apocalyptic number.

It is an amenable number.

20226113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20226113 is an equidigital number, since it uses as much as digits as its factorization.

20226113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20226113 is about 4497.3451057263. The cubic root of 20226113 is about 272.4608725349.

Adding to 20226113 its reverse (31162202), we get a palindrome (51388315).

The spelling of 20226113 in words is "twenty million, two hundred twenty-six thousand, one hundred thirteen".