20322433 has 2 divisors, whose sum is σ = 20322434. Its totient is φ = 20322432.

The previous prime is 20322427. The next prime is 20322451. The reversal of 20322433 is 33422302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10909809 + 9412624 = 3303^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322433 - 2¹³ = 20314241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20322433.

It is not a weakly prime, because it can be changed into another prime (20322473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161216 + 10161217.

It is an arithmetic number, because the mean of its divisors is an integer number (10161217).

Almost surely, 2^20322433 is an apocalyptic number.

It is an amenable number.

20322433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322433 is an equidigital number, since it uses as much as digits as its factorization.

20322433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 20322433 is about 4508.0409270547. The cubic root of 20322433 is about 272.8926886172.

Adding to 20322433 its reverse (33422302), we get a palindrome (53744735).

It can be divided in two parts, 2032 and 2433, that added together give a triangular number (4465 = T₉₄).

The spelling of 20322433 in words is "twenty million, three hundred twenty-two thousand, four hundred thirty-three".