20703234 has 8 divisors (see below), whose sum is σ = 41406480. Its totient is φ = 6901076.

The previous prime is 20703223. The next prime is 20703247. The reversal of 20703234 is 43230702.

It is a happy number.

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

20703234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20703234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725264 + ... + 1725275.

It is an arithmetic number, because the mean of its divisors is an integer number (5175810).

Almost surely, 2^20703234 is an apocalyptic number.

20703234 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.

20703234 is a wasteful number, since it uses less digits than its factorization.

20703234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450544.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 20703234 is about 4550.0806586257. The cubic root of 20703234 is about 274.5866362677.

Adding to 20703234 its reverse (43230702), we get a palindrome (63933936).

The spelling of 20703234 in words is "twenty million, seven hundred three thousand, two hundred thirty-four".