20532233 has 2 divisors, whose sum is σ = 20532234. Its totient is φ = 20532232.

The previous prime is 20532227. The next prime is 20532263. The reversal of 20532233 is 33223502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13520329 + 7011904 = 3677^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 20532233 - 2¹⁶ = 20466697 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20532263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10266116 + 10266117.

It is an arithmetic number, because the mean of its divisors is an integer number (10266117).

Almost surely, 2^20532233 is an apocalyptic number.

It is an amenable number.

20532233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20532233 is an equidigital number, since it uses as much as digits as its factorization.

20532233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 20532233 is about 4531.2507103448. The cubic root of 20532233 is about 273.8285508129.

Adding to 20532233 its reverse (33223502), we get a palindrome (53755735).

The spelling of 20532233 in words is "twenty million, five hundred thirty-two thousand, two hundred thirty-three".