20304122 has 16 divisors (see below), whose sum is σ = 32172000. Its totient is φ = 9583920.

The previous prime is 20304121. The next prime is 20304139. The reversal of 20304122 is 22140302.

It is a junction number, because it is equal to n+sod(n) for n = 20304097 and 20304106.

It is not an unprimeable number, because it can be changed into a prime (20304121) 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, 12497 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (2010750).

Almost surely, 2^20304122 is an apocalyptic number.

20304122 is a deficient number, since it is larger than the sum of its proper divisors (11867878).

20304122 is a wasteful number, since it uses less digits than its factorization.

20304122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20304122 is about 4506.0095428217. The cubic root of 20304122 is about 272.8107030341.

Adding to 20304122 its reverse (22140302), we get a palindrome (42444424).

The spelling of 20304122 in words is "twenty million, three hundred four thousand, one hundred twenty-two".