20541514535 has 4 divisors (see below), whose sum is σ = 24649817448. Its totient is φ = 16433211624.

The previous prime is 20541514529. The next prime is 20541514537. The reversal of 20541514535 is 53541514502.

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

It is a cyclic number.

It is not a de Polignac number, because 20541514535 - 2⁴ = 20541514519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20541514495 and 20541514504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541514537) by changing a digit.

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, 2054151449 + ... + 2054151458.

It is an arithmetic number, because the mean of its divisors is an integer number (6162454362).

Almost surely, 2^20541514535 is an apocalyptic number.

20541514535 is a deficient number, since it is larger than the sum of its proper divisors (4108302913).

20541514535 is an equidigital number, since it uses as much as digits as its factorization.

20541514535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108302912.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 20541514535 in words is "twenty billion, five hundred forty-one million, five hundred fourteen thousand, five hundred thirty-five".