20204466 has 16 divisors (see below), whose sum is σ = 42786144. Its totient is φ = 6338624.

The previous prime is 20204417. The next prime is 20204477. The reversal of 20204466 is 66440202.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98940 + ... + 99143.

It is an arithmetic number, because the mean of its divisors is an integer number (2674134).

Almost surely, 2^20204466 is an apocalyptic number.

20204466 is an abundant number, since it is smaller than the sum of its proper divisors (22581678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20204466 is a wasteful number, since it uses less digits than its factorization.

20204466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198105.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20204466 is about 4494.9378193697. The cubic root of 20204466 is about 272.3636374102.

Adding to 20204466 its reverse (66440202), we get a palindrome (86644668).

The spelling of 20204466 in words is "twenty million, two hundred four thousand, four hundred sixty-six".