20541063 has 8 divisors (see below), whose sum is σ = 27478528. Its totient is φ = 13648824.

The previous prime is 20541043. The next prime is 20541067. The reversal of 20541063 is 36014502.

It is a happy number.

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

It is not a de Polignac number, because 20541063 - 2⁶ = 20540999 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 (20541067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10231 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (3434816).

Almost surely, 2^20541063 is an apocalyptic number.

20541063 is a deficient number, since it is larger than the sum of its proper divisors (6937465).

20541063 is a wasteful number, since it uses less digits than its factorization.

20541063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22613.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20541063 is about 4532.2249502866. The cubic root of 20541063 is about 273.8677990131.

Adding to 20541063 its reverse (36014502), we get a palindrome (56555565).

The spelling of 20541063 in words is "twenty million, five hundred forty-one thousand, sixty-three".