20541132535 has 64 divisors (see below), whose sum is σ = 31870817280. Its totient is φ = 12332436480.

The previous prime is 20541132517. The next prime is 20541132559. The reversal of 20541132535 is 53523114502.

It is not a de Polignac number, because 20541132535 - 2¹³ = 20541124343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20541132497 and 20541132506.

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 63 ways as a sum of consecutive naturals, for example, 4944019 + ... + 4948171.

It is an arithmetic number, because the mean of its divisors is an integer number (497981520).

Almost surely, 2^20541132535 is an apocalyptic number.

20541132535 is a deficient number, since it is larger than the sum of its proper divisors (11329684745).

20541132535 is a wasteful number, since it uses less digits than its factorization.

20541132535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 20541132535 in words is "twenty billion, five hundred forty-one million, one hundred thirty-two thousand, five hundred thirty-five".