20200541 has 4 divisors (see below), whose sum is σ = 20408892. Its totient is φ = 19992192.

The previous prime is 20200529. The next prime is 20200547. The reversal of 20200541 is 14500202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4368100 + 15832441 = 2090^2 + 3979^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200541 - 2¹⁸ = 19938397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200547) 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, 104030 + ... + 104223.

It is an arithmetic number, because the mean of its divisors is an integer number (5102223).

Almost surely, 2^20200541 is an apocalyptic number.

It is an amenable number.

20200541 is a deficient number, since it is larger than the sum of its proper divisors (208351).

20200541 is an equidigital number, since it uses as much as digits as its factorization.

20200541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208350.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 20200541 is about 4494.5011959059. The cubic root of 20200541 is about 272.3459994532.

Adding to 20200541 its reverse (14500202), we get a palindrome (34700743).

The spelling of 20200541 in words is "twenty million, two hundred thousand, five hundred forty-one".