20109334 has 32 divisors (see below), whose sum is σ = 38430720. Its totient is φ = 7682688.

The previous prime is 20109319. The next prime is 20109343. The reversal of 20109334 is 43390102.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2299 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (1200960).

Almost surely, 2^20109334 is an apocalyptic number.

20109334 is a deficient number, since it is larger than the sum of its proper divisors (18321386).

20109334 is a wasteful number, since it uses less digits than its factorization.

20109334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20109334 is about 4484.3432072044. The cubic root of 20109334 is about 271.9354932814.

Adding to 20109334 its reverse (43390102), we get a palindrome (63499436).

The spelling of 20109334 in words is "twenty million, one hundred nine thousand, three hundred thirty-four".