20112430011 has 4 divisors (see below), whose sum is σ = 26816573352. Its totient is φ = 13408286672.

The previous prime is 20112430007. The next prime is 20112430061. The reversal of 20112430011 is 11003421102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20112430011 - 2² = 20112430007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112430061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352071666 + ... + 3352071671.

It is an arithmetic number, because the mean of its divisors is an integer number (6704143338).

Almost surely, 2^20112430011 is an apocalyptic number.

20112430011 is a deficient number, since it is larger than the sum of its proper divisors (6704143341).

20112430011 is an equidigital number, since it uses as much as digits as its factorization.

20112430011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704143340.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20112430011 its reverse (11003421102), we get a palindrome (31115851113).

The spelling of 20112430011 in words is "twenty billion, one hundred twelve million, four hundred thirty thousand, eleven".