20160434 has 16 divisors (see below), whose sum is σ = 35078208. Its totient is φ = 8510832.

The previous prime is 20160433. The next prime is 20160457. The reversal of 20160434 is 43406102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20160433) 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, 9809 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (2192388).

Almost surely, 2^20160434 is an apocalyptic number.

20160434 is a deficient number, since it is larger than the sum of its proper divisors (14917774).

20160434 is a wasteful number, since it uses less digits than its factorization.

20160434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21569.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20160434 is about 4490.0371936099. The cubic root of 20160434 is about 272.1656376506.

Adding to 20160434 its reverse (43406102), we get a palindrome (63566536).

The spelling of 20160434 in words is "twenty million, one hundred sixty thousand, four hundred thirty-four".