20350841 has 4 divisors (see below), whose sum is σ = 23258112. Its totient is φ = 17443572.

The previous prime is 20350817. The next prime is 20350871. The reversal of 20350841 is 14805302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20350841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20350871) 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, 1453625 + ... + 1453638.

It is an arithmetic number, because the mean of its divisors is an integer number (5814528).

Almost surely, 2^20350841 is an apocalyptic number.

It is an amenable number.

20350841 is a deficient number, since it is larger than the sum of its proper divisors (2907271).

20350841 is an equidigital number, since it uses as much as digits as its factorization.

20350841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907270.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20350841 is about 4511.1906410614. The cubic root of 20350841 is about 273.0197850474.

The spelling of 20350841 in words is "twenty million, three hundred fifty thousand, eight hundred forty-one".