20022230 has 8 divisors (see below), whose sum is σ = 36040032. Its totient is φ = 8008888.

The previous prime is 20022229. The next prime is 20022239. The reversal of 20022230 is 3222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001102 + ... + 1001121.

It is an arithmetic number, because the mean of its divisors is an integer number (4505004).

Almost surely, 2^20022230 is an apocalyptic number.

20022230 is a deficient number, since it is larger than the sum of its proper divisors (16017802).

20022230 is a wasteful number, since it uses less digits than its factorization.

20022230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002230.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20022230 is about 4474.6206543125. The cubic root of 20022230 is about 271.5422935943.

Adding to 20022230 its reverse (3222002), we get a palindrome (23244232).

The spelling of 20022230 in words is "twenty million, twenty-two thousand, two hundred thirty".