20113433107 has 2 divisors, whose sum is σ = 20113433108. Its totient is φ = 20113433106.

The previous prime is 20113433089. The next prime is 20113433257. The reversal of 20113433107 is 70133431102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20113433107 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113430107) 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, 10056716553 + 10056716554.

It is an arithmetic number, because the mean of its divisors is an integer number (10056716554).

Almost surely, 2^20113433107 is an apocalyptic number.

20113433107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113433107 is an equidigital number, since it uses as much as digits as its factorization.

20113433107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 20113433107 its reverse (70133431102), we get a palindrome (90246864209).

The spelling of 20113433107 in words is "twenty billion, one hundred thirteen million, four hundred thirty-three thousand, one hundred seven".