20124253267 has 2 divisors, whose sum is σ = 20124253268. Its totient is φ = 20124253266.

The previous prime is 20124253211. The next prime is 20124253271. The reversal of 20124253267 is 76235242102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20124253267 - 2¹⁵ = 20124220499 is a prime.

It is not a weakly prime, because it can be changed into another prime (20124253207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062126633 + 10062126634.

It is an arithmetic number, because the mean of its divisors is an integer number (10062126634).

Almost surely, 2^20124253267 is an apocalyptic number.

20124253267 is a deficient number, since it is larger than the sum of its proper divisors (1).

20124253267 is an equidigital number, since it uses as much as digits as its factorization.

20124253267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 20124253267 its reverse (76235242102), we get a palindrome (96359495369).

The spelling of 20124253267 in words is "twenty billion, one hundred twenty-four million, two hundred fifty-three thousand, two hundred sixty-seven".