20041112213 has 2 divisors, whose sum is σ = 20041112214. Its totient is φ = 20041112212.

The previous prime is 20041112209. The next prime is 20041112243. The reversal of 20041112213 is 31221114002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19953540049 + 87572164 = 141257^2 + 9358^2 .

It is a cyclic number.

It is not a de Polignac number, because 20041112213 - 2² = 20041112209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20041112191 and 20041112200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20041112243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10020556106 + 10020556107.

It is an arithmetic number, because the mean of its divisors is an integer number (10020556107).

Almost surely, 2^20041112213 is an apocalyptic number.

It is an amenable number.

20041112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20041112213 is an equidigital number, since it uses as much as digits as its factorization.

20041112213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20041112213 its reverse (31221114002), we get a palindrome (51262226215).

The spelling of 20041112213 in words is "twenty billion, forty-one million, one hundred twelve thousand, two hundred thirteen".