22020361 has 8 divisors (see below), whose sum is σ = 25066944. Its totient is φ = 19147920.

The previous prime is 22020359. The next prime is 22020379. The reversal of 22020361 is 16302022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22020361 - 2¹ = 22020359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43266 + ... + 43771.

It is an arithmetic number, because the mean of its divisors is an integer number (3133368).

Almost surely, 2^22020361 is an apocalyptic number.

It is an amenable number.

22020361 is a deficient number, since it is larger than the sum of its proper divisors (3046583).

22020361 is a wasteful number, since it uses less digits than its factorization.

22020361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87071.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22020361 is about 4692.5857477514. The cubic root of 22020361 is about 280.2903493250.

Adding to 22020361 its reverse (16302022), we get a palindrome (38322383).

The spelling of 22020361 in words is "twenty-two million, twenty thousand, three hundred sixty-one".