20220020012213 has 24 divisors (see below), whose sum is σ = 23602174989624. Its totient is φ = 17271846345600.

The previous prime is 20220020012189. The next prime is 20220020012233. The reversal of 20220020012213 is 31221002002202.

It can be written as a sum of positive squares in 4 ways, for example, as 136195688209 + 20083824324004 = 369047^2 + 4481498^2 .

It is not a de Polignac number, because 20220020012213 - 2²⁰ = 20220018963637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220020012191 and 20220020012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220020012233) 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 23 ways as a sum of consecutive naturals, for example, 54818543 + ... + 55186163.

It is an arithmetic number, because the mean of its divisors is an integer number (983423957901).

Almost surely, 2^{20220020012213} is an apocalyptic number.

It is an amenable number.

20220020012213 is a deficient number, since it is larger than the sum of its proper divisors (3382154977411).

20220020012213 is a wasteful number, since it uses less digits than its factorization.

20220020012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371493 (or 371486 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20220020012213 its reverse (31221002002202), we get a palindrome (51441022014415).

The spelling of 20220020012213 in words is "twenty trillion, two hundred twenty billion, twenty million, twelve thousand, two hundred thirteen".