20186896 has 20 divisors (see below), whose sum is σ = 39283200. Its totient is φ = 10049312.

The previous prime is 20186879. The next prime is 20186897. The reversal of 20186896 is 69868102.

It is a super-2 number, since 2×20186896² = 815021540229632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20186897) 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, 1185 + ... + 6463.

It is an arithmetic number, because the mean of its divisors is an integer number (1964160).

Almost surely, 2^20186896 is an apocalyptic number.

It is an amenable number.

20186896 is a deficient number, since it is larger than the sum of its proper divisors (19096304).

20186896 is a wasteful number, since it uses less digits than its factorization.

20186896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526 (or 5520 counting only the distinct ones).

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

The square root of 20186896 is about 4492.9829734821. The cubic root of 20186896 is about 272.2846644918.

The spelling of 20186896 in words is "twenty million, one hundred eighty-six thousand, eight hundred ninety-six".