20322196 has 12 divisors (see below), whose sum is σ = 36167040. Its totient is φ = 9988760.

The previous prime is 20322193. The next prime is 20322199. The reversal of 20322196 is 69122302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20322193) and next prime (20322199).

It is a self number, because there is not a number n which added to its sum of digits gives 20322196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322193) 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, 42820 + ... + 43291.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^20322196 is an apocalyptic number.

It is an amenable number.

20322196 is a deficient number, since it is larger than the sum of its proper divisors (15844844).

20322196 is a wasteful number, since it uses less digits than its factorization.

20322196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86174 (or 86172 counting only the distinct ones).

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

The square root of 20322196 is about 4508.0146406151. The cubic root of 20322196 is about 272.8916277892.

Adding to 20322196 its reverse (69122302), we get a palindrome (89444498).

The spelling of 20322196 in words is "twenty million, three hundred twenty-two thousand, one hundred ninety-six".