20127771227104 has 24 divisors (see below), whose sum is σ = 39628556341920. Its totient is φ = 10063375965696.

The previous prime is 20127771227021. The next prime is 20127771227111. The reversal of 20127771227104 is 40172217772102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15284329 + ... + 16548904.

It is an arithmetic number, because the mean of its divisors is an integer number (1651189847580).

Almost surely, 2^{20127771227104} is an apocalyptic number.

It is an amenable number.

20127771227104 is a deficient number, since it is larger than the sum of its proper divisors (19500785114816).

20127771227104 is a wasteful number, since it uses less digits than its factorization.

20127771227104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31853002 (or 31852994 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 43.

Adding to 20127771227104 its reverse (40172217772102), we get a palindrome (60299988999206).

The spelling of 20127771227104 in words is "twenty trillion, one hundred twenty-seven billion, seven hundred seventy-one million, two hundred twenty-seven thousand, one hundred four".