20013341 has 4 divisors (see below), whose sum is σ = 20238300. Its totient is φ = 19788384.

The previous prime is 20013319. The next prime is 20013347. The reversal of 20013341 is 14331002.

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 11868025 + 8145316 = 3445^2 + 2854^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013341 - 2¹⁸ = 19751197 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 (20013347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112346 + ... + 112523.

It is an arithmetic number, because the mean of its divisors is an integer number (5059575).

Almost surely, 2^20013341 is an apocalyptic number.

It is an amenable number.

20013341 is a deficient number, since it is larger than the sum of its proper divisors (224959).

20013341 is an equidigital number, since it uses as much as digits as its factorization.

20013341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224958.

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

The square root of 20013341 is about 4473.6272754891. The cubic root of 20013341 is about 271.5021033202.

Adding to 20013341 its reverse (14331002), we get a palindrome (34344343).

The spelling of 20013341 in words is "twenty million, thirteen thousand, three hundred forty-one".