20822033 has 2 divisors, whose sum is σ = 20822034. Its totient is φ = 20822032.

The previous prime is 20822017. The next prime is 20822047. The reversal of 20822033 is 33022802.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20638849 + 183184 = 4543^2 + 428^2 .

It is a cyclic number.

It is not a de Polignac number, because 20822033 - 2⁴ = 20822017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20821996 and 20822014.

It is not a weakly prime, because it can be changed into another prime (20822063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10411016 + 10411017.

It is an arithmetic number, because the mean of its divisors is an integer number (10411017).

Almost surely, 2^20822033 is an apocalyptic number.

It is an amenable number.

20822033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20822033 is an equidigital number, since it uses as much as digits as its factorization.

20822033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20822033 is about 4563.1165884733. The cubic root of 20822033 is about 275.1108445719.

Adding to 20822033 its reverse (33022802), we get a palindrome (53844835).

The spelling of 20822033 in words is "twenty million, eight hundred twenty-two thousand, thirty-three".