20886196 has 6 divisors (see below), whose sum is σ = 36550850. Its totient is φ = 10443096.

The previous prime is 20886191. The next prime is 20886199. The reversal of 20886196 is 69168802.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 1296 = 4570^2 + 36^2 .

It is a super-3 number, since 3×20886196³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20886191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610771 + ... + 2610778.

Almost surely, 2^20886196 is an apocalyptic number.

It is an amenable number.

20886196 is a deficient number, since it is larger than the sum of its proper divisors (15664654).

20886196 is a wasteful number, since it uses less digits than its factorization.

20886196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221553 (or 5221551 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 20886196 is about 4570.1417921111. The cubic root of 20886196 is about 275.3931390793.

The spelling of 20886196 in words is "twenty million, eight hundred eighty-six thousand, one hundred ninety-six".