20242111427 has 2 divisors, whose sum is σ = 20242111428. Its totient is φ = 20242111426.

The previous prime is 20242111403. The next prime is 20242111459. The reversal of 20242111427 is 72411124202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20242111427 - 2⁶ = 20242111363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20242111396 and 20242111405.

It is not a weakly prime, because it can be changed into another prime (20242111727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121055713 + 10121055714.

It is an arithmetic number, because the mean of its divisors is an integer number (10121055714).

Almost surely, 2^20242111427 is an apocalyptic number.

20242111427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242111427 is an equidigital number, since it uses as much as digits as its factorization.

20242111427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 20242111427 its reverse (72411124202), we get a palindrome (92653235629).

The spelling of 20242111427 in words is "twenty billion, two hundred forty-two million, one hundred eleven thousand, four hundred twenty-seven".