20341521135 has 24 divisors (see below), whose sum is σ = 37970840544. Its totient is φ = 10014287040.

The previous prime is 20341521119. The next prime is 20341521199. The reversal of 20341521135 is 53112514302.

20341521135 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 1 + 521 + 135 = 666.

It is not a de Polignac number, because 20341521135 - 2⁴ = 20341521119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20341521099 and 20341521108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17385331 + ... + 17386500.

It is an arithmetic number, because the mean of its divisors is an integer number (1582118356).

Almost surely, 2^20341521135 is an apocalyptic number.

20341521135 is a deficient number, since it is larger than the sum of its proper divisors (17629319409).

20341521135 is a wasteful number, since it uses less digits than its factorization.

20341521135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34771855 (or 34771852 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 20341521135 in words is "twenty billion, three hundred forty-one million, five hundred twenty-one thousand, one hundred thirty-five".