20614907177 has 2 divisors, whose sum is σ = 20614907178. Its totient is φ = 20614907176.

The previous prime is 20614907129. The next prime is 20614907227. The reversal of 20614907177 is 77170941602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14891076841 + 5723830336 = 122029^2 + 75656^2 .

It is a cyclic number.

It is not a de Polignac number, because 20614907177 - 2⁶ = 20614907113 is a prime.

It is a super-2 number, since 2×20614907177² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20614907077) 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, 10307453588 + 10307453589.

It is an arithmetic number, because the mean of its divisors is an integer number (10307453589).

Almost surely, 2^20614907177 is an apocalyptic number.

It is an amenable number.

20614907177 is a deficient number, since it is larger than the sum of its proper divisors (1).

20614907177 is an equidigital number, since it uses as much as digits as its factorization.

20614907177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 20614907177 in words is "twenty billion, six hundred fourteen million, nine hundred seven thousand, one hundred seventy-seven".