20541265367 has 8 divisors (see below), whose sum is σ = 23495926656. Its totient is φ = 17591652792.

The previous prime is 20541265357. The next prime is 20541265397. The reversal of 20541265367 is 76356214502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20541265367 - 2²⁰ = 20540216791 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 (20541265307) 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 7 ways as a sum of consecutive naturals, for example, 1253453 + ... + 1269734.

It is an arithmetic number, because the mean of its divisors is an integer number (2936990832).

Almost surely, 2^20541265367 is an apocalyptic number.

20541265367 is a deficient number, since it is larger than the sum of its proper divisors (2954661289).

20541265367 is a wasteful number, since it uses less digits than its factorization.

20541265367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524357.

The product of its (nonzero) digits is 302400, while the sum is 41.

Adding to 20541265367 its reverse (76356214502), we get a palindrome (96897479869).

The spelling of 20541265367 in words is "twenty billion, five hundred forty-one million, two hundred sixty-five thousand, three hundred sixty-seven".