20308162 has 32 divisors (see below), whose sum is σ = 36486144. Its totient is φ = 8294400.

The previous prime is 20308157. The next prime is 20308187. The reversal of 20308162 is 26180302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31362 + ... + 32002.

It is an arithmetic number, because the mean of its divisors is an integer number (1140192).

Almost surely, 2^20308162 is an apocalyptic number.

20308162 is a deficient number, since it is larger than the sum of its proper divisors (16177982).

20308162 is a wasteful number, since it uses less digits than its factorization.

20308162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20308162 is about 4506.4578107423. The cubic root of 20308162 is about 272.8287959472.

Adding to 20308162 its reverse (26180302), we get a palindrome (46488464).

The spelling of 20308162 in words is "twenty million, three hundred eight thousand, one hundred sixty-two".