2220021013 has 8 divisors (see below), whose sum is σ = 2552360832. Its totient is φ = 1891479696.

The previous prime is 2220020993. The next prime is 2220021029. The reversal of 2220021013 is 3101200222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220021013 - 2⁵ = 2220020981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220020984 and 2220021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220021613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948370 + ... + 950707.

It is an arithmetic number, because the mean of its divisors is an integer number (319045104).

Almost surely, 2^2220021013 is an apocalyptic number.

It is an amenable number.

2220021013 is a deficient number, since it is larger than the sum of its proper divisors (332339819).

2220021013 is a wasteful number, since it uses less digits than its factorization.

2220021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899251.

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

The square root of 2220021013 is about 47117.0989450751. The cubic root of 2220021013 is about 1304.5248659075.

Adding to 2220021013 its reverse (3101200222), we get a palindrome (5321221235).

The spelling of 2220021013 in words is "two billion, two hundred twenty million, twenty-one thousand, thirteen".