22020213233 has 4 divisors (see below), whose sum is σ = 22348873200. Its totient is φ = 21691553268.

The previous prime is 22020213197. The next prime is 22020213311. The reversal of 22020213233 is 33231202022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22020213233 - 2¹⁶ = 22020147697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22020212233) 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, 164329883 + ... + 164330016.

It is an arithmetic number, because the mean of its divisors is an integer number (5587218300).

Almost surely, 2^22020213233 is an apocalyptic number.

It is an amenable number.

22020213233 is a deficient number, since it is larger than the sum of its proper divisors (328659967).

22020213233 is an equidigital number, since it uses as much as digits as its factorization.

22020213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328659966.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22020213233 its reverse (33231202022), we get a palindrome (55251415255).

The spelling of 22020213233 in words is "twenty-two billion, twenty million, two hundred thirteen thousand, two hundred thirty-three".