220202013 has 4 divisors (see below), whose sum is σ = 293602688. Its totient is φ = 146801340.

The previous prime is 220201991. The next prime is 220202051. The reversal of 220202013 is 310202022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220202013 - 2¹⁰ = 220200989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36700333 + ... + 36700338.

It is an arithmetic number, because the mean of its divisors is an integer number (73400672).

Almost surely, 2^220202013 is an apocalyptic number.

It is an amenable number.

220202013 is a deficient number, since it is larger than the sum of its proper divisors (73400675).

220202013 is an equidigital number, since it uses as much as digits as its factorization.

220202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73400674.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220202013 is about 14839.2052684771. The cubic root of 220202013 is about 603.8657920386.

Adding to 220202013 its reverse (310202022), we get a palindrome (530404035).

Subtracting 220202013 from its reverse (310202022), we obtain a palindrome (90000009).

The spelling of 220202013 in words is "two hundred twenty million, two hundred two thousand, thirteen".