20199162 has 16 divisors (see below), whose sum is σ = 42774912. Its totient is φ = 6336960.

The previous prime is 20199161. The next prime is 20199191. The reversal of 20199162 is 26199102.

It is a happy number.

It is a super-2 number, since 2×20199162² = 816012291004488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20199161) 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, 98914 + ... + 99117.

It is an arithmetic number, because the mean of its divisors is an integer number (2673432).

Almost surely, 2^20199162 is an apocalyptic number.

20199162 is an abundant number, since it is smaller than the sum of its proper divisors (22575750).

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

20199162 is a wasteful number, since it uses less digits than its factorization.

20199162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198053.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 20199162 is about 4494.3477836055. The cubic root of 20199162 is about 272.3398020337.

The spelling of 20199162 in words is "twenty million, one hundred ninety-nine thousand, one hundred sixty-two".