20410542541 has 4 divisors (see below), whose sum is σ = 20756484000. Its totient is φ = 20064601084.

The previous prime is 20410542527. The next prime is 20410542547. The reversal of 20410542541 is 14524501402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20410542541 - 2⁷ = 20410542413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410542547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172970641 + ... + 172970758.

It is an arithmetic number, because the mean of its divisors is an integer number (5189121000).

Almost surely, 2^20410542541 is an apocalyptic number.

It is an amenable number.

20410542541 is a deficient number, since it is larger than the sum of its proper divisors (345941459).

20410542541 is an equidigital number, since it uses as much as digits as its factorization.

20410542541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345941458.

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 20410542541 in words is "twenty billion, four hundred ten million, five hundred forty-two thousand, five hundred forty-one".