20162330 has 16 divisors (see below), whose sum is σ = 36888264. Its totient is φ = 7932480.

The previous prime is 20162321. The next prime is 20162333. The reversal of 20162330 is 3326102.

It can be written as a sum of positive squares in 4 ways, for example, as 14145121 + 6017209 = 3761^2 + 2453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20162299 and 20162308.

It is not an unprimeable number, because it can be changed into a prime (20162333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15917 + ... + 17136.

Almost surely, 2^20162330 is an apocalyptic number.

20162330 is a deficient number, since it is larger than the sum of its proper divisors (16725934).

20162330 is a wasteful number, since it uses less digits than its factorization.

20162330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33121.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 20162330 is about 4490.2483227545. The cubic root of 20162330 is about 272.1741693762.

Adding to 20162330 its reverse (3326102), we get a palindrome (23488432).

The spelling of 20162330 in words is "twenty million, one hundred sixty-two thousand, three hundred thirty".