20055663235104 has 144 divisors (see below), whose sum is σ = 63904070155968. Its totient is φ = 5481050792448.

The previous prime is 20055663235103. The next prime is 20055663235117. The reversal of 20055663235104 is 40153236655002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (20055663235103) 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 23 ways as a sum of consecutive naturals, for example, 92577327 + ... + 92793710.

It is an arithmetic number, because the mean of its divisors is an integer number (443778264972).

Almost surely, 2^{20055663235104} is an apocalyptic number.

20055663235104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20055663235104 is an abundant number, since it is smaller than the sum of its proper divisors (43848406920864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20055663235104 is a wasteful number, since it uses less digits than its factorization.

20055663235104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185371087 (or 185371072 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 20055663235104 in words is "twenty trillion, fifty-five billion, six hundred sixty-three million, two hundred thirty-five thousand, one hundred four".