20112361 has 2 divisors, whose sum is σ = 20112362. Its totient is φ = 20112360.

The previous prime is 20112331. The next prime is 20112401. The reversal of 20112361 is 16321102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13579225 + 6533136 = 3685^2 + 2556^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112361 - 2⁵ = 20112329 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056180 + 10056181.

It is an arithmetic number, because the mean of its divisors is an integer number (10056181).

Almost surely, 2^20112361 is an apocalyptic number.

It is an amenable number.

20112361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112361 is an equidigital number, since it uses as much as digits as its factorization.

20112361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 20112361 is about 4484.6807021236. The cubic root of 20112361 is about 271.9491371518.

Adding to 20112361 its reverse (16321102), we get a palindrome (36433463).

The spelling of 20112361 in words is "twenty million, one hundred twelve thousand, three hundred sixty-one".