20223206 has 8 divisors (see below), whose sum is σ = 30613440. Its totient is φ = 10018728.

The previous prime is 20223193. The next prime is 20223221. The reversal of 20223206 is 60232202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46166 + ... + 46601.

It is an arithmetic number, because the mean of its divisors is an integer number (3826680).

Almost surely, 2^20223206 is an apocalyptic number.

20223206 is a deficient number, since it is larger than the sum of its proper divisors (10390234).

20223206 is a wasteful number, since it uses less digits than its factorization.

20223206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92878.

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

The square root of 20223206 is about 4497.0219034379. The cubic root of 20223206 is about 272.4478187546.

Adding to 20223206 its reverse (60232202), we get a palindrome (80455408).

The spelling of 20223206 in words is "twenty million, two hundred twenty-three thousand, two hundred six".