20020220113 has 2 divisors, whose sum is σ = 20020220114. Its totient is φ = 20020220112.

The previous prime is 20020220111. The next prime is 20020220117. The reversal of 20020220113 is 31102202002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15920635329 + 4099584784 = 126177^2 + 64028^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020220113 - 2¹ = 20020220111 is a prime.

Together with 20020220111, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20020220093 and 20020220102.

It is not a weakly prime, because it can be changed into another prime (20020220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010110056 + 10010110057.

It is an arithmetic number, because the mean of its divisors is an integer number (10010110057).

Almost surely, 2^20020220113 is an apocalyptic number.

It is an amenable number.

20020220113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020220113 is an equidigital number, since it uses as much as digits as its factorization.

20020220113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20020220113 its reverse (31102202002), we get a palindrome (51122422115).

The spelling of 20020220113 in words is "twenty billion, twenty million, two hundred twenty thousand, one hundred thirteen".