20611234 has 16 divisors (see below), whose sum is σ = 35437248. Its totient is φ = 8807472.

The previous prime is 20611231. The next prime is 20611273. The reversal of 20611234 is 43211602.

It is not an unprimeable number, because it can be changed into a prime (20611231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3249 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (2214828).

Almost surely, 2^20611234 is an apocalyptic number.

20611234 is a deficient number, since it is larger than the sum of its proper divisors (14826014).

20611234 is a wasteful number, since it uses less digits than its factorization.

20611234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20611234 is about 4539.9596914510. The cubic root of 20611234 is about 274.1793008326.

Adding to 20611234 its reverse (43211602), we get a palindrome (63822836).

The spelling of 20611234 in words is "twenty million, six hundred eleven thousand, two hundred thirty-four".