9802220020213 has 4 divisors (see below), whose sum is σ = 9802228122540. Its totient is φ = 9802211917888.

The previous prime is 9802220020211. The next prime is 9802220020217. The reversal of 9802220020213 is 3120200222089.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8033381199684 + 1768838820529 = 2834322^2 + 1329977^2 .

It is a cyclic number.

It is not a de Polignac number, because 9802220020213 - 2¹ = 9802220020211 is a prime.

It is a super-2 number, since 2×9802220020213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9802220020211) 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 3 ways as a sum of consecutive naturals, for example, 1830820 + ... + 4791277.

It is an arithmetic number, because the mean of its divisors is an integer number (2450557030635).

Almost surely, 2^{9802220020213} is an apocalyptic number.

It is an amenable number.

9802220020213 is a deficient number, since it is larger than the sum of its proper divisors (8102327).

9802220020213 is a wasteful number, since it uses less digits than its factorization.

9802220020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102326.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 9802220020213 in words is "nine trillion, eight hundred two billion, two hundred twenty million, twenty thousand, two hundred thirteen".