22020112205 has 24 divisors (see below), whose sum is σ = 33102766872. Its totient is φ = 13938003072.

The previous prime is 22020112181. The next prime is 22020112207. The reversal of 22020112205 is 50221102022.

It can be written as a sum of positive squares in 4 ways, for example, as 4065720169 + 17954392036 = 63763^2 + 133994^2 .

It is not a de Polignac number, because 22020112205 - 2²² = 22015917901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020112207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3453662 + ... + 3460031.

It is an arithmetic number, because the mean of its divisors is an integer number (1379281953).

Almost surely, 2^22020112205 is an apocalyptic number.

It is an amenable number.

22020112205 is a deficient number, since it is larger than the sum of its proper divisors (11082654667).

22020112205 is a wasteful number, since it uses less digits than its factorization.

22020112205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913725 (or 6913718 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 22020112205 its reverse (50221102022), we get a palindrome (72241214227).

The spelling of 22020112205 in words is "twenty-two billion, twenty million, one hundred twelve thousand, two hundred five".