20425426183 has 2 divisors, whose sum is σ = 20425426184. Its totient is φ = 20425426182.

The previous prime is 20425426163. The next prime is 20425426193. The reversal of 20425426183 is 38162452402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20425426183 is a prime.

It is a super-4 number, since 4×20425426183⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20425426163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212713091 + 10212713092.

It is an arithmetic number, because the mean of its divisors is an integer number (10212713092).

Almost surely, 2^20425426183 is an apocalyptic number.

20425426183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20425426183 is an equidigital number, since it uses as much as digits as its factorization.

20425426183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 20425426183 its reverse (38162452402), we get a palindrome (58587878585).

The spelling of 20425426183 in words is "twenty billion, four hundred twenty-five million, four hundred twenty-six thousand, one hundred eighty-three".