20022220002013 has 2 divisors, whose sum is σ = 20022220002014. Its totient is φ = 20022220002012.

The previous prime is 20022220001989. The next prime is 20022220002061. The reversal of 20022220002013 is 31020002222002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13535026284004 + 6487193718009 = 3678998^2 + 2546997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022220002013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022220002413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011110001006 + 10011110001007.

It is an arithmetic number, because the mean of its divisors is an integer number (10011110001007).

Almost surely, 2^{20022220002013} is an apocalyptic number.

It is an amenable number.

20022220002013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022220002013 is an equidigital number, since it uses as much as digits as its factorization.

20022220002013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20022220002013 its reverse (31020002222002), we get a palindrome (51042222224015).

The spelling of 20022220002013 in words is "twenty trillion, twenty-two billion, two hundred twenty million, two thousand, thirteen".