20410133 has 4 divisors (see below), whose sum is σ = 20419308. Its totient is φ = 20400960.

The previous prime is 20410129. The next prime is 20410139. The reversal of 20410133 is 33101402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5098564 + 15311569 = 2258^2 + 3913^2 .

It is a cyclic number.

It is not a de Polignac number, because 20410133 - 2² = 20410129 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 (20410139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103 + ... + 6483.

It is an arithmetic number, because the mean of its divisors is an integer number (5104827).

Almost surely, 2^20410133 is an apocalyptic number.

It is an amenable number.

20410133 is a deficient number, since it is larger than the sum of its proper divisors (9175).

20410133 is an equidigital number, since it uses as much as digits as its factorization.

20410133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20410133 is about 4517.7575189468. The cubic root of 20410133 is about 273.2846748932.

Adding to 20410133 its reverse (33101402), we get a palindrome (53511535).

The spelling of 20410133 in words is "twenty million, four hundred ten thousand, one hundred thirty-three".