20541003127 has 4 divisors (see below), whose sum is σ = 20554818336. Its totient is φ = 20527187920.

The previous prime is 20541003103. The next prime is 20541003149. The reversal of 20541003127 is 72130014502.

It is a happy number.

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 20541003127 - 2¹¹ = 20541001079 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 (20541007127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6905374 + ... + 6908347.

It is an arithmetic number, because the mean of its divisors is an integer number (5138704584).

Almost surely, 2^20541003127 is an apocalyptic number.

20541003127 is a deficient number, since it is larger than the sum of its proper divisors (13815209).

20541003127 is a wasteful number, since it uses less digits than its factorization.

20541003127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815208.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 20541003127 its reverse (72130014502), we get a palindrome (92671017629).

The spelling of 20541003127 in words is "twenty billion, five hundred forty-one million, three thousand, one hundred twenty-seven".