20112435127 has 2 divisors, whose sum is σ = 20112435128. Its totient is φ = 20112435126.

The previous prime is 20112435103. The next prime is 20112435149. The reversal of 20112435127 is 72153421102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112435127 - 2²³ = 20104046519 is a prime.

It is a super-2 number, since 2×20112435127² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112435095 and 20112435104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112435527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056217563 + 10056217564.

It is an arithmetic number, because the mean of its divisors is an integer number (10056217564).

Almost surely, 2^20112435127 is an apocalyptic number.

20112435127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112435127 is an equidigital number, since it uses as much as digits as its factorization.

20112435127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 20112435127 its reverse (72153421102), we get a palindrome (92265856229).

The spelling of 20112435127 in words is "twenty billion, one hundred twelve million, four hundred thirty-five thousand, one hundred twenty-seven".