22020321033 has 6 divisors (see below), whose sum is σ = 31807130394. Its totient is φ = 14680214016.

The previous prime is 22020321019. The next prime is 22020321061. The reversal of 22020321033 is 33012302022.

It is a happy number.

22020321033 is a `hidden beast` number, since 220 + 203 + 210 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20268647424 + 1751673609 = 142368^2 + 41853^2 .

It is not a de Polignac number, because 22020321033 - 2³⁰ = 20946579209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22020320997 and 22020321015.

It is not an unprimeable number, because it can be changed into a prime (22020321013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223351160 + ... + 1223351177.

It is an arithmetic number, because the mean of its divisors is an integer number (5301188399).

Almost surely, 2^22020321033 is an apocalyptic number.

It is an amenable number.

22020321033 is a deficient number, since it is larger than the sum of its proper divisors (9786809361).

22020321033 is a wasteful number, since it uses less digits than its factorization.

22020321033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446702343 (or 2446702340 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22020321033 its reverse (33012302022), we get a palindrome (55032623055).

The spelling of 22020321033 in words is "twenty-two billion, twenty million, three hundred twenty-one thousand, thirty-three".