2002220220073 has 2 divisors, whose sum is σ = 2002220220074. Its totient is φ = 2002220220072.

The previous prime is 2002220220061. The next prime is 2002220220079. The reversal of 2002220220073 is 3700220222002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1457918598249 + 544301621824 = 1207443^2 + 737768^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002220220073 - 2²⁵ = 2002186665641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002220220079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001110110036 + 1001110110037.

It is an arithmetic number, because the mean of its divisors is an integer number (1001110110037).

Almost surely, 2^{2002220220073} is an apocalyptic number.

It is an amenable number.

2002220220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002220220073 is an equidigital number, since it uses as much as digits as its factorization.

2002220220073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 22.

Adding to 2002220220073 its reverse (3700220222002), we get a palindrome (5702440442075).

The spelling of 2002220220073 in words is "two trillion, two billion, two hundred twenty million, two hundred twenty thousand, seventy-three".