20043234 has 32 divisors (see below), whose sum is σ = 46080000. Its totient is φ = 6450192.

The previous prime is 20043227. The next prime is 20043239. The reversal of 20043234 is 43234002.

20043234 is a `hidden beast` number, since 200 + 432 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20043239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4834 + ... + 7965.

It is an arithmetic number, because the mean of its divisors is an integer number (1440000).

Almost surely, 2^20043234 is an apocalyptic number.

20043234 is an abundant number, since it is smaller than the sum of its proper divisors (26036766).

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

20043234 is a wasteful number, since it uses less digits than its factorization.

20043234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12839 (or 12833 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 20043234 is about 4476.9670537095. The cubic root of 20043234 is about 271.6372127769.

Adding to 20043234 its reverse (43234002), we get a palindrome (63277236).

It can be divided in two parts, 200 and 43234, that added together give a palindrome (43434).

The spelling of 20043234 in words is "twenty million, forty-three thousand, two hundred thirty-four".