20124044011 has 2 divisors, whose sum is σ = 20124044012. Its totient is φ = 20124044010.

The previous prime is 20124043999. The next prime is 20124044023. The reversal of 20124044011 is 11044042102.

It is a balanced prime because it is at equal distance from previous prime (20124043999) and next prime (20124044023).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20124044011 is a prime.

It is a super-3 number, since 3×20124044011³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20124044011.

It is not a weakly prime, because it can be changed into another prime (20124044411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062022005 + 10062022006.

It is an arithmetic number, because the mean of its divisors is an integer number (10062022006).

Almost surely, 2^20124044011 is an apocalyptic number.

20124044011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20124044011 is an equidigital number, since it uses as much as digits as its factorization.

20124044011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20124044011 its reverse (11044042102), we get a palindrome (31168086113).

The spelling of 20124044011 in words is "twenty billion, one hundred twenty-four million, forty-four thousand, eleven".