20162196 has 36 divisors (see below), whose sum is σ = 52855712. Its totient is φ = 6720408.

The previous prime is 20162171. The next prime is 20162213. The reversal of 20162196 is 69126102.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9400 + ... + 11343.

Almost surely, 2^20162196 is an apocalyptic number.

It is an amenable number.

20162196 is an abundant number, since it is smaller than the sum of its proper divisors (32693516).

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

20162196 is a wasteful number, since it uses less digits than its factorization.

20162196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20762 (or 20748 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 20162196 is about 4490.2334015060. The cubic root of 20162196 is about 272.1735664131.

Adding to 20162196 its reverse (69126102), we get a palindrome (89288298).

The spelling of 20162196 in words is "twenty million, one hundred sixty-two thousand, one hundred ninety-six".