20424130605611 has 4 divisors (see below), whose sum is σ = 20728968375912. Its totient is φ = 20119292835312.

The previous prime is 20424130605583. The next prime is 20424130605643. The reversal of 20424130605611 is 11650603142402.

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 20424130605611 - 2¹⁴ = 20424130589227 is a prime.

It is a super-2 number, since 2×20424130605611² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20424130605691) 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, 152418885050 + ... + 152418885183.

It is an arithmetic number, because the mean of its divisors is an integer number (5182242093978).

Almost surely, 2^{20424130605611} is an apocalyptic number.

20424130605611 is a deficient number, since it is larger than the sum of its proper divisors (304837770301).

20424130605611 is an equidigital number, since it uses as much as digits as its factorization.

20424130605611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304837770300.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 20424130605611 in words is "twenty trillion, four hundred twenty-four billion, one hundred thirty million, six hundred five thousand, six hundred eleven".