20223196 has 12 divisors (see below), whose sum is σ = 40446448. Its totient is φ = 8667072.

The previous prime is 20223193. The next prime is 20223221. The reversal of 20223196 is 69132202.

It is a happy number.

20223196 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20223196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223193) 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, 361101 + ... + 361156.

Almost surely, 2^20223196 is an apocalyptic number.

It is an amenable number.

20223196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20223196 is a wasteful number, since it uses less digits than its factorization.

20223196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722268 (or 722266 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20223196 is about 4497.0207915908. The cubic root of 20223196 is about 272.4477738478.

Adding to 20223196 its reverse (69132202), we get a palindrome (89355398).

The spelling of 20223196 in words is "twenty million, two hundred twenty-three thousand, one hundred ninety-six".