20242307 has 2 divisors, whose sum is σ = 20242308. Its totient is φ = 20242306.

The previous prime is 20242303. The next prime is 20242331. The reversal of 20242307 is 70324202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20242307 - 2² = 20242303 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20242303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121153 + 10121154.

It is an arithmetic number, because the mean of its divisors is an integer number (10121154).

Almost surely, 2^20242307 is an apocalyptic number.

20242307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242307 is an equidigital number, since it uses as much as digits as its factorization.

20242307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20242307 is about 4499.1451410240. The cubic root of 20242307 is about 272.5335682351.

Adding to 20242307 its reverse (70324202), we get a palindrome (90566509).

The spelling of 20242307 in words is "twenty million, two hundred forty-two thousand, three hundred seven".