22020205244 has 12 divisors (see below), whose sum is σ = 40210809744. Its totient is φ = 10531402464.

The previous prime is 22020205241. The next prime is 22020205253. The reversal of 22020205244 is 44250202022.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020205241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119674937 + ... + 119675120.

It is an arithmetic number, because the mean of its divisors is an integer number (3350900812).

Almost surely, 2^22020205244 is an apocalyptic number.

It is an amenable number.

22020205244 is a deficient number, since it is larger than the sum of its proper divisors (18190604500).

22020205244 is a wasteful number, since it uses less digits than its factorization.

22020205244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239350084 (or 239350082 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 22020205244 its reverse (44250202022), we get a palindrome (66270407266).

The spelling of 22020205244 in words is "twenty-two billion, twenty million, two hundred five thousand, two hundred forty-four".