20242230 has 16 divisors (see below), whose sum is σ = 48581424. Its totient is φ = 5397920.

The previous prime is 20242213. The next prime is 20242247. The reversal of 20242230 is 3224202.

It is an interprime number because it is at equal distance from previous prime (20242213) and next prime (20242247).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent 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, 337341 + ... + 337400.

It is an arithmetic number, because the mean of its divisors is an integer number (3036339).

Almost surely, 2^20242230 is an apocalyptic number.

20242230 is an abundant number, since it is smaller than the sum of its proper divisors (28339194).

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

20242230 is a wasteful number, since it uses less digits than its factorization.

20242230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674751.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20242230 is about 4499.1365838347. The cubic root of 20242230 is about 272.5332226699.

Adding to 20242230 its reverse (3224202), we get a palindrome (23466432).

The spelling of 20242230 in words is "twenty million, two hundred forty-two thousand, two hundred thirty".