20353040055 has 48 divisors (see below), whose sum is σ = 36952920576. Its totient is φ = 10343382720.

The previous prime is 20353040053. The next prime is 20353040063. The reversal of 20353040055 is 55004035302.

20353040055 is a `hidden beast` number, since 203 + 5 + 3 + 0 + 400 + 55 = 666.

It is not a de Polignac number, because 20353040055 - 2¹ = 20353040053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353040053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 234820 + ... + 309590.

It is an arithmetic number, because the mean of its divisors is an integer number (769852512).

Almost surely, 2^20353040055 is an apocalyptic number.

20353040055 is a deficient number, since it is larger than the sum of its proper divisors (16599880521).

20353040055 is a wasteful number, since it uses less digits than its factorization.

20353040055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75068 (or 75065 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 20353040055 its reverse (55004035302), we get a palindrome (75357075357).

The spelling of 20353040055 in words is "twenty billion, three hundred fifty-three million, forty thousand, fifty-five".