2001202220263 has 2 divisors, whose sum is σ = 2001202220264. Its totient is φ = 2001202220262.

The previous prime is 2001202220113. The next prime is 2001202220309. The reversal of 2001202220263 is 3620222021002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001202220263 - 2¹³ = 2001202212071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001202220363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000601110131 + 1000601110132.

It is an arithmetic number, because the mean of its divisors is an integer number (1000601110132).

Almost surely, 2^{2001202220263} is an apocalyptic number.

2001202220263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001202220263 is an equidigital number, since it uses as much as digits as its factorization.

2001202220263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2001202220263 its reverse (3620222021002), we get a palindrome (5621424241265).

The spelling of 2001202220263 in words is "two trillion, one billion, two hundred two million, two hundred twenty thousand, two hundred sixty-three".