20088433 has 2 divisors, whose sum is σ = 20088434. Its totient is φ = 20088432.

The previous prime is 20088427. The next prime is 20088437. The reversal of 20088433 is 33488002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16136289 + 3952144 = 4017^2 + 1988^2 .

It is a cyclic number.

It is not a de Polignac number, because 20088433 - 2¹⁷ = 19957361 is a prime.

It is not a weakly prime, because it can be changed into another prime (20088437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044216 + 10044217.

It is an arithmetic number, because the mean of its divisors is an integer number (10044217).

Almost surely, 2^20088433 is an apocalyptic number.

It is an amenable number.

20088433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20088433 is an equidigital number, since it uses as much as digits as its factorization.

20088433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20088433 is about 4482.0121597336. The cubic root of 20088433 is about 271.8412469306.

The spelling of 20088433 in words is "twenty million, eighty-eight thousand, four hundred thirty-three".