22020530 has 32 divisors (see below), whose sum is σ = 45674496. Its totient is φ = 7487424.

The previous prime is 22020527. The next prime is 22020533. The reversal of 22020530 is 3502022.

It is an interprime number because it is at equal distance from previous prime (22020527) and next prime (22020533).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22020533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7652 + ... + 10128.

It is an arithmetic number, because the mean of its divisors is an integer number (1427328).

Almost surely, 2^22020530 is an apocalyptic number.

22020530 is an abundant number, since it is smaller than the sum of its proper divisors (23653966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020530 is a wasteful number, since it uses less digits than its factorization.

22020530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 22020530 is about 4692.6037548466. The cubic root of 22020530 is about 280.2910663727.

Adding to 22020530 its reverse (3502022), we get a palindrome (25522552).

The spelling of 22020530 in words is "twenty-two million, twenty thousand, five hundred thirty".