20541424055 has 4 divisors (see below), whose sum is σ = 24649708872. Its totient is φ = 16433139240.

The previous prime is 20541424021. The next prime is 20541424109. The reversal of 20541424055 is 55042414502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20541424055 - 2¹⁰ = 20541423031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054142401 + ... + 2054142410.

It is an arithmetic number, because the mean of its divisors is an integer number (6162427218).

Almost surely, 2^20541424055 is an apocalyptic number.

20541424055 is a deficient number, since it is larger than the sum of its proper divisors (4108284817).

20541424055 is an equidigital number, since it uses as much as digits as its factorization.

20541424055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108284816.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 20541424055 its reverse (55042414502), we get a palindrome (75583838557).

The spelling of 20541424055 in words is "twenty billion, five hundred forty-one million, four hundred twenty-four thousand, fifty-five".