20310234 has 16 divisors (see below), whose sum is σ = 46423488. Its totient is φ = 5802912.

The previous prime is 20310217. The next prime is 20310247. The reversal of 20310234 is 43201302.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241747 + ... + 241830.

It is an arithmetic number, because the mean of its divisors is an integer number (2901468).

Almost surely, 2^20310234 is an apocalyptic number.

20310234 is an abundant number, since it is smaller than the sum of its proper divisors (26113254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310234 is a wasteful number, since it uses less digits than its factorization.

20310234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483589.

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

The square root of 20310234 is about 4506.6876971896. The cubic root of 20310234 is about 272.8380743520.

Adding to 20310234 its reverse (43201302), we get a palindrome (63511536).

The spelling of 20310234 in words is "twenty million, three hundred ten thousand, two hundred thirty-four".