20320341 has 8 divisors (see below), whose sum is σ = 27138624. Its totient is φ = 13524480.

The previous prime is 20320303. The next prime is 20320343. The reversal of 20320341 is 14302302.

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

It is not a de Polignac number, because 20320341 - 2⁶ = 20320277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20320341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320343) 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, 3361 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (3392328).

Almost surely, 2^20320341 is an apocalyptic number.

It is an amenable number.

20320341 is a deficient number, since it is larger than the sum of its proper divisors (6818283).

20320341 is a wasteful number, since it uses less digits than its factorization.

20320341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20320341 is about 4507.8088912464. The cubic root of 20320341 is about 272.8833243989.

Adding to 20320341 its reverse (14302302), we get a palindrome (34622643).

The spelling of 20320341 in words is "twenty million, three hundred twenty thousand, three hundred forty-one".