22020193 has 12 divisors (see below), whose sum is σ = 24672060. Its totient is φ = 19621056.

The previous prime is 22020191. The next prime is 22020203. The reversal of 22020193 is 39102022.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5329 + 22014864 = 73^2 + 4692^2 .

It is not a de Polignac number, because 22020193 - 2¹ = 22020191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020193.

It is not an unprimeable number, because it can be changed into a prime (22020191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2655 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (2056005).

Almost surely, 2^22020193 is an apocalyptic number.

It is an amenable number.

22020193 is a deficient number, since it is larger than the sum of its proper divisors (2651867).

22020193 is a wasteful number, since it uses less digits than its factorization.

22020193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22020193 is about 4692.5678471387. The cubic root of 22020193 is about 280.2896365165.

It can be divided in two parts, 2202019 and 3, that added together give a palindrome (2202022).

The spelling of 22020193 in words is "twenty-two million, twenty thousand, one hundred ninety-three".