20201134055 has 8 divisors (see below), whose sum is σ = 24242367312. Its totient is φ = 16160236288.

The previous prime is 20201134049. The next prime is 20201134081. The reversal of 20201134055 is 55043110202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201134055 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201134055.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 76472 + ... + 215058.

It is an arithmetic number, because the mean of its divisors is an integer number (3030295914).

Almost surely, 2^20201134055 is an apocalyptic number.

20201134055 is a deficient number, since it is larger than the sum of its proper divisors (4041233257).

20201134055 is a wasteful number, since it uses less digits than its factorization.

20201134055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167745.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20201134055 its reverse (55043110202), we get a palindrome (75244244257).

The spelling of 20201134055 in words is "twenty billion, two hundred one million, one hundred thirty-four thousand, fifty-five".