20228206 has 8 divisors (see below), whose sum is σ = 30374784. Its totient is φ = 10103280.

The previous prime is 20228203. The next prime is 20228207. The reversal of 20228206 is 60282202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20228203) 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, 2830 + ... + 6961.

It is an arithmetic number, because the mean of its divisors is an integer number (3796848).

Almost surely, 2^20228206 is an apocalyptic number.

20228206 is a deficient number, since it is larger than the sum of its proper divisors (10146578).

20228206 is a wasteful number, since it uses less digits than its factorization.

20228206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10826.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20228206 is about 4497.5777925457. The cubic root of 20228206 is about 272.4702703026.

The spelling of 20228206 in words is "twenty million, two hundred twenty-eight thousand, two hundred six".