20242433 has 2 divisors, whose sum is σ = 20242434. Its totient is φ = 20242432.

The previous prime is 20242373. The next prime is 20242447. The reversal of 20242433 is 33424202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17833729 + 2408704 = 4223^2 + 1552^2 .

It is a cyclic number.

It is not a de Polignac number, because 20242433 - 2⁸ = 20242177 is a prime.

It is not a weakly prime, because it can be changed into another prime (20242483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121216 + 10121217.

It is an arithmetic number, because the mean of its divisors is an integer number (10121217).

It is a Proth number, since it is equal to 2471 ⋅ 2¹³ + 1 and 2471 < 2¹³.

Almost surely, 2^20242433 is an apocalyptic number.

It is an amenable number.

20242433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242433 is an equidigital number, since it uses as much as digits as its factorization.

20242433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 20242433 is about 4499.1591436623. The cubic root of 20242433 is about 272.5341337036.

Adding to 20242433 its reverse (33424202), we get a palindrome (53666635).

The spelling of 20242433 in words is "twenty million, two hundred forty-two thousand, four hundred thirty-three".