20252230 has 16 divisors (see below), whose sum is σ = 36640800. Its totient is φ = 8059392.

The previous prime is 20252189. The next prime is 20252231. The reversal of 20252230 is 3225202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252231) 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, 3099 + ... + 7078.

It is an arithmetic number, because the mean of its divisors is an integer number (2290050).

Almost surely, 2^20252230 is an apocalyptic number.

20252230 is a deficient number, since it is larger than the sum of its proper divisors (16388570).

20252230 is a wasteful number, since it uses less digits than its factorization.

20252230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10383.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20252230 is about 4500.2477709566. The cubic root of 20252230 is about 272.5780939376.

Adding to 20252230 its reverse (3225202), we get a palindrome (23477432).

The spelling of 20252230 in words is "twenty million, two hundred fifty-two thousand, two hundred thirty".