20336222 has 4 divisors (see below), whose sum is σ = 30504336. Its totient is φ = 10168110.

The previous prime is 20336207. The next prime is 20336231. The reversal of 20336222 is 22263302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20336194 and 20336203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5084054 + ... + 5084057.

It is an arithmetic number, because the mean of its divisors is an integer number (7626084).

Almost surely, 2^20336222 is an apocalyptic number.

20336222 is a deficient number, since it is larger than the sum of its proper divisors (10168114).

20336222 is a wasteful number, since it uses less digits than its factorization.

20336222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168113.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 20336222 is about 4509.5700460243. The cubic root of 20336222 is about 272.9543949188.

Adding to 20336222 its reverse (22263302), we get a palindrome (42599524).

The spelling of 20336222 in words is "twenty million, three hundred thirty-six thousand, two hundred twenty-two".