20622230 has 8 divisors (see below), whose sum is σ = 37120032. Its totient is φ = 8248888.

The previous prime is 20622229. The next prime is 20622233. The reversal of 20622230 is 3222602.

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

It is a junction number, because it is equal to n+sod(n) for n = 20622199 and 20622208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622233) 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, 1031102 + ... + 1031121.

It is an arithmetic number, because the mean of its divisors is an integer number (4640004).

Almost surely, 2^20622230 is an apocalyptic number.

20622230 is a deficient number, since it is larger than the sum of its proper divisors (16497802).

20622230 is a wasteful number, since it uses less digits than its factorization.

20622230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062230.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20622230 is about 4541.1705539431. The cubic root of 20622230 is about 274.2280499696.

Adding to 20622230 its reverse (3222602), we get a palindrome (23844832).

The spelling of 20622230 in words is "twenty million, six hundred twenty-two thousand, two hundred thirty".