20114879 has 2 divisors, whose sum is σ = 20114880. Its totient is φ = 20114878.

The previous prime is 20114873. The next prime is 20114911. The reversal of 20114879 is 97841102.

It is an a-pointer prime, because the next prime (20114911) can be obtained adding 20114879 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20114879 is a prime.

It is a Chen prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20114873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057439 + 10057440.

It is an arithmetic number, because the mean of its divisors is an integer number (10057440).

Almost surely, 2^20114879 is an apocalyptic number.

20114879 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114879 is an equidigital number, since it uses as much as digits as its factorization.

20114879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 20114879 is about 4484.9614268129. The cubic root of 20114879 is about 271.9604857175.

The spelling of 20114879 in words is "twenty million, one hundred fourteen thousand, eight hundred seventy-nine".