20541101 has 8 divisors (see below), whose sum is σ = 23504064. Its totient is φ = 17585280.

The previous prime is 20541091. The next prime is 20541121. The reversal of 20541101 is 10114502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20541101 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 (20541121) 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, 7901 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (2938008).

Almost surely, 2^20541101 is an apocalyptic number.

It is an amenable number.

20541101 is a deficient number, since it is larger than the sum of its proper divisors (2962963).

20541101 is a wasteful number, since it uses less digits than its factorization.

20541101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 20541101 is about 4532.2291424861. The cubic root of 20541101 is about 273.8679678939.

Adding to 20541101 its reverse (10114502), we get a palindrome (30655603).

The spelling of 20541101 in words is "twenty million, five hundred forty-one thousand, one hundred one".