20016196 has 24 divisors (see below), whose sum is σ = 37244480. Its totient is φ = 9385632.

The previous prime is 20016193. The next prime is 20016221. The reversal of 20016196 is 69161002.

It is a self number, because there is not a number n which added to its sum of digits gives 20016196.

It is not an unprimeable number, because it can be changed into a prime (20016193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6550 + ... + 9106.

Almost surely, 2^20016196 is an apocalyptic number.

It is an amenable number.

20016196 is a deficient number, since it is larger than the sum of its proper divisors (17228284).

20016196 is a wasteful number, since it uses less digits than its factorization.

20016196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683 (or 2681 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 20016196 is about 4473.9463564062. The cubic root of 20016196 is about 271.5150130696.

Adding to 20016196 its reverse (69161002), we get a palindrome (89177198).

The spelling of 20016196 in words is "twenty million, sixteen thousand, one hundred ninety-six".