20022442033 has 4 divisors (see below), whose sum is σ = 21842664048. Its totient is φ = 18202220020.

The previous prime is 20022442031. The next prime is 20022442049. The reversal of 20022442033 is 33024422002.

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 20022442033 - 2¹ = 20022442031 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022441995 and 20022442013.

It is not an unprimeable number, because it can be changed into a prime (20022442031) 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, 910110991 + ... + 910111012.

It is an arithmetic number, because the mean of its divisors is an integer number (5460666012).

Almost surely, 2^20022442033 is an apocalyptic number.

It is an amenable number.

20022442033 is a deficient number, since it is larger than the sum of its proper divisors (1820222015).

20022442033 is a wasteful number, since it uses less digits than its factorization.

20022442033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820222014.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20022442033 its reverse (33024422002), we get a palindrome (53046864035).

The spelling of 20022442033 in words is "twenty billion, twenty-two million, four hundred forty-two thousand, thirty-three".