20242333 has 2 divisors, whose sum is σ = 20242334.
Its totient is φ = 20242332.
The previous prime is 20242331. The next prime is 20242351. The reversal of 20242333 is 33324202.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18983449 + 1258884 = 4357^2 + 1122^2
It is a cyclic number.
It is not a de Polignac number, because 20242333 - 21 = 20242331 is a prime.
Together with 20242331, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 20242333.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20242331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121166 + 10121167.
It is an arithmetic number, because the mean of its divisors is an integer number (10121167).
Almost surely, 220242333 is an apocalyptic number.
It is an amenable number.
20242333 is a deficient number, since it is larger than the sum of its proper divisors (1).
20242333 is an equidigital number, since it uses as much as digits as its factorization.
20242333 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 19.
The square root of 20242333 is about 4499.1480304609.
The cubic root of 20242333 is about 272.5336849193.
Adding to 20242333 its reverse (33324202), we get a palindrome (53566535).
The spelling of 20242333 in words is "twenty million, two hundred forty-two thousand, three hundred thirty-three".