20050677507777 has 16 divisors (see below), whose sum is σ = 30556861706112. Its totient is φ = 11456236869120.

The previous prime is 20050677507761. The next prime is 20050677507793. The reversal of 20050677507777 is 77770577605002.

It is an interprime number because it is at equal distance from previous prime (20050677507761) and next prime (20050677507793).

It is not a de Polignac number, because 20050677507777 - 2⁴ = 20050677507761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20050677507777.

It is not an unprimeable number, because it can be changed into a prime (20050677507737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53690128 + ... + 54062289.

It is an arithmetic number, because the mean of its divisors is an integer number (1909803856632).

Almost surely, 2^{20050677507777} is an apocalyptic number.

It is an amenable number.

20050677507777 is a deficient number, since it is larger than the sum of its proper divisors (10506184198335).

20050677507777 is a wasteful number, since it uses less digits than its factorization.

20050677507777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107761288.

The product of its (nonzero) digits is 35294700, while the sum is 60.

The spelling of 20050677507777 in words is "twenty trillion, fifty billion, six hundred seventy-seven million, five hundred seven thousand, seven hundred seventy-seven".