20263234 has 16 divisors (see below), whose sum is σ = 32741280. Its totient is φ = 9374400.

The previous prime is 20263219. The next prime is 20263237. The reversal of 20263234 is 43236202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20263237) 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, 4567 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (2046330).

Almost surely, 2^20263234 is an apocalyptic number.

20263234 is a deficient number, since it is larger than the sum of its proper divisors (12478046).

20263234 is a wasteful number, since it uses less digits than its factorization.

20263234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12465.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 20263234 is about 4501.4702042777. The cubic root of 20263234 is about 272.6274532141.

Adding to 20263234 its reverse (43236202), we get a palindrome (63499436).

It can be divided in two parts, 202 and 63234, that added together give a palindrome (63436).

The spelling of 20263234 in words is "twenty million, two hundred sixty-three thousand, two hundred thirty-four".