20114427877 has 2 divisors, whose sum is σ = 20114427878. Its totient is φ = 20114427876.

The previous prime is 20114427857. The next prime is 20114427917. The reversal of 20114427877 is 77872441102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20050843201 + 63584676 = 141601^2 + 7974^2 .

It is a cyclic number.

It is not a de Polignac number, because 20114427877 - 2²³ = 20106039269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20114427857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057213938 + 10057213939.

It is an arithmetic number, because the mean of its divisors is an integer number (10057213939).

Almost surely, 2^20114427877 is an apocalyptic number.

It is an amenable number.

20114427877 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114427877 is an equidigital number, since it uses as much as digits as its factorization.

20114427877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175616, while the sum is 43.

Adding to 20114427877 its reverse (77872441102), we get a palindrome (97986868979).

The spelling of 20114427877 in words is "twenty billion, one hundred fourteen million, four hundred twenty-seven thousand, eight hundred seventy-seven".