20112234 has 8 divisors (see below), whose sum is σ = 40224480. Its totient is φ = 6704076.

The previous prime is 20112233. The next prime is 20112251. The reversal of 20112234 is 43221102.

It is a sphenic number, since it is the product of 3 distinct primes.

20112234 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20112233) 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 3 ways as a sum of consecutive naturals, for example, 1676014 + ... + 1676025.

It is an arithmetic number, because the mean of its divisors is an integer number (5028060).

Almost surely, 2^20112234 is an apocalyptic number.

20112234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20112234 is a wasteful number, since it uses less digits than its factorization.

20112234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352044.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20112234 is about 4484.6665427878. Note that the first 3 decimals coincide. The cubic root of 20112234 is about 271.9485647407.

Adding to 20112234 its reverse (43221102), we get a palindrome (63333336).

The spelling of 20112234 in words is "twenty million, one hundred twelve thousand, two hundred thirty-four".