20056230 has 48 divisors (see below), whose sum is σ = 54419040. Its totient is φ = 5115264.

The previous prime is 20056217. The next prime is 20056247. The reversal of 20056230 is 3265002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2775 + ... + 6914.

It is an arithmetic number, because the mean of its divisors is an integer number (1133730).

Almost surely, 2^20056230 is an apocalyptic number.

20056230 is an abundant number, since it is smaller than the sum of its proper divisors (34362810).

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

20056230 is a wasteful number, since it uses less digits than its factorization.

20056230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9725 (or 9722 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20056230 is about 4478.4182475512. The cubic root of 20056230 is about 271.6959097999.

The spelling of 20056230 in words is "twenty million, fifty-six thousand, two hundred thirty".