20350959 has 4 divisors (see below), whose sum is σ = 27134616. Its totient is φ = 13567304.

The previous prime is 20350951. The next prime is 20350963. The reversal of 20350959 is 95905302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20350959 - 2³ = 20350951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350951) 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, 3391824 + ... + 3391829.

It is an arithmetic number, because the mean of its divisors is an integer number (6783654).

Almost surely, 2^20350959 is an apocalyptic number.

20350959 is a deficient number, since it is larger than the sum of its proper divisors (6783657).

20350959 is an equidigital number, since it uses as much as digits as its factorization.

20350959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783656.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 20350959 is about 4511.2037196296. The cubic root of 20350959 is about 273.0203127287.

The spelling of 20350959 in words is "twenty million, three hundred fifty thousand, nine hundred fifty-nine".