20109302 has 8 divisors (see below), whose sum is σ = 30462912. Its totient is φ = 9955000.

The previous prime is 20109293. The next prime is 20109319. The reversal of 20109302 is 20390102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49574 + ... + 49977.

It is an arithmetic number, because the mean of its divisors is an integer number (3807864).

Almost surely, 2^20109302 is an apocalyptic number.

20109302 is a deficient number, since it is larger than the sum of its proper divisors (10353610).

20109302 is a wasteful number, since it uses less digits than its factorization.

20109302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99654.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 20109302 is about 4484.3396392334. The cubic root of 20109302 is about 271.9353490376.

Adding to 20109302 its reverse (20390102), we get a palindrome (40499404).

The spelling of 20109302 in words is "twenty million, one hundred nine thousand, three hundred two".