20109034 has 8 divisors (see below), whose sum is σ = 32905728. Its totient is φ = 9140460.

The previous prime is 20109017. The next prime is 20109041. The reversal of 20109034 is 43090102.

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

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, 457002 + ... + 457045.

It is an arithmetic number, because the mean of its divisors is an integer number (4113216).

Almost surely, 2^20109034 is an apocalyptic number.

20109034 is a deficient number, since it is larger than the sum of its proper divisors (12796694).

20109034 is a wasteful number, since it uses less digits than its factorization.

20109034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914060.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20109034 is about 4484.3097573651. The cubic root of 20109034 is about 271.9341409898.

Adding to 20109034 its reverse (43090102), we get a palindrome (63199136).

The spelling of 20109034 in words is "twenty million, one hundred nine thousand, thirty-four".