20541334135 has 16 divisors (see below), whose sum is σ = 28826113536. Its totient is φ = 13757915808.

The previous prime is 20541334129. The next prime is 20541334183. The reversal of 20541334135 is 53143314502.

It is not a de Polignac number, because 20541334135 - 2³ = 20541334127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20541334097 and 20541334106.

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 15 ways as a sum of consecutive naturals, for example, 6822859 + ... + 6825868.

It is an arithmetic number, because the mean of its divisors is an integer number (1801632096).

Almost surely, 2^20541334135 is an apocalyptic number.

20541334135 is a deficient number, since it is larger than the sum of its proper divisors (8284779401).

20541334135 is a wasteful number, since it uses less digits than its factorization.

20541334135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13648782.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 20541334135 its reverse (53143314502), we get a palindrome (73684648637).

The spelling of 20541334135 in words is "twenty billion, five hundred forty-one million, three hundred thirty-four thousand, one hundred thirty-five".