22020413 has 2 divisors, whose sum is σ = 22020414. Its totient is φ = 22020412.

The previous prime is 22020409. The next prime is 22020419. The reversal of 22020413 is 31402022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17123044 + 4897369 = 4138^2 + 2213^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020413 - 2² = 22020409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010206 + 11010207.

It is an arithmetic number, because the mean of its divisors is an integer number (11010207).

Almost surely, 2^22020413 is an apocalyptic number.

It is an amenable number.

22020413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020413 is an equidigital number, since it uses as much as digits as its factorization.

22020413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22020413 is about 4692.5912884035. The cubic root of 22020413 is about 280.2905699554.

Adding to 22020413 its reverse (31402022), we get a palindrome (53422435).

The spelling of 22020413 in words is "twenty-two million, twenty thousand, four hundred thirteen".