20340341 has 6 divisors (see below), whose sum is σ = 23661270. Its totient is φ = 17434536.

The previous prime is 20340323. The next prime is 20340373. The reversal of 20340341 is 14304302.

It can be written as a sum of positive squares in only one way, i.e., 12103441 + 8236900 = 3479^2 + 2870^2 .

It is not a de Polignac number, because 20340341 - 2⁶ = 20340277 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 (20340301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207506 + ... + 207603.

It is an arithmetic number, because the mean of its divisors is an integer number (3943545).

Almost surely, 2^20340341 is an apocalyptic number.

It is an amenable number.

20340341 is a deficient number, since it is larger than the sum of its proper divisors (3320929).

20340341 is an equidigital number, since it uses as much as digits as its factorization.

20340341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415123 (or 415116 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20340341 is about 4510.0267183244. The cubic root of 20340341 is about 272.9728221904.

Adding to 20340341 its reverse (14304302), we get a palindrome (34644643).

The spelling of 20340341 in words is "twenty million, three hundred forty thousand, three hundred forty-one".