20162224 has 20 divisors (see below), whose sum is σ = 39432744. Its totient is φ = 9986048.

The previous prime is 20162213. The next prime is 20162231. The reversal of 20162224 is 42226102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177 + ... + 7600.

Almost surely, 2^20162224 is an apocalyptic number.

It is an amenable number.

20162224 is a deficient number, since it is larger than the sum of its proper divisors (19270520).

20162224 is a wasteful number, since it uses less digits than its factorization.

20162224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892 (or 11886 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20162224 is about 4490.2365193829. The cubic root of 20162224 is about 272.1736924056.

Adding to 20162224 its reverse (42226102), we get a palindrome (62388326).

The spelling of 20162224 in words is "twenty million, one hundred sixty-two thousand, two hundred twenty-four".