20350234 has 4 divisors (see below), whose sum is σ = 30525354. Its totient is φ = 10175116.

The previous prime is 20350217. The next prime is 20350243. The reversal of 20350234 is 43205302.

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

It can be written as a sum of positive squares in only one way, i.e., 16834609 + 3515625 = 4103^2 + 1875^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5087557 + ... + 5087560.

Almost surely, 2^20350234 is an apocalyptic number.

20350234 is a deficient number, since it is larger than the sum of its proper divisors (10175120).

20350234 is a wasteful number, since it uses less digits than its factorization.

20350234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175119.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 20350234 is about 4511.1233634207. The cubic root of 20350234 is about 273.0170705870.

Adding to 20350234 its reverse (43205302), we get a palindrome (63555536).

The spelling of 20350234 in words is "twenty million, three hundred fifty thousand, two hundred thirty-four".