2221020020013 has 32 divisors (see below), whose sum is σ = 3161799231360. Its totient is φ = 1382712145920.

The previous prime is 2221020020003. The next prime is 2221020020017. The reversal of 2221020020013 is 3100200201222.

It is a happy number.

It is not a de Polignac number, because 2221020020013 - 2⁴ = 2221020019997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221020019974 and 2221020020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221020020017) 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 in 31 ways as a sum of consecutive naturals, for example, 6886933 + ... + 7202213.

It is an arithmetic number, because the mean of its divisors is an integer number (98806225980).

Almost surely, 2^{2221020020013} is an apocalyptic number.

It is an amenable number.

2221020020013 is a deficient number, since it is larger than the sum of its proper divisors (940779211347).

2221020020013 is a wasteful number, since it uses less digits than its factorization.

2221020020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317069.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2221020020013 its reverse (3100200201222), we get a palindrome (5321220221235).

The spelling of 2221020020013 in words is "two trillion, two hundred twenty-one billion, twenty million, twenty thousand, thirteen".