20202220101113 has 2 divisors, whose sum is σ = 20202220101114. Its totient is φ = 20202220101112.

The previous prime is 20202220101109. The next prime is 20202220101143. The reversal of 20202220101113 is 31110102220202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14113155535504 + 6089064565609 = 3756748^2 + 2467603^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202220101113 - 2² = 20202220101109 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 = 20202220101091 and 20202220101100.

It is not a weakly prime, because it can be changed into another prime (20202220101143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101110050556 + 10101110050557.

It is an arithmetic number, because the mean of its divisors is an integer number (10101110050557).

Almost surely, 2^{20202220101113} is an apocalyptic number.

It is an amenable number.

20202220101113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202220101113 is an equidigital number, since it uses as much as digits as its factorization.

20202220101113 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 20202220101113 its reverse (31110102220202), we get a palindrome (51312322321315).

The spelling of 20202220101113 in words is "twenty trillion, two hundred two billion, two hundred twenty million, one hundred one thousand, one hundred thirteen".