20616162 has 24 divisors (see below), whose sum is σ = 47964816. Its totient is φ = 5890248.

The previous prime is 20616161. The next prime is 20616179. The reversal of 20616162 is 26161602.

It is a super-2 number, since 2×20616162² = 850052271220488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20616161) 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 11 ways as a sum of consecutive naturals, for example, 34768 + ... + 35355.

It is an arithmetic number, because the mean of its divisors is an integer number (1998534).

Almost surely, 2^20616162 is an apocalyptic number.

20616162 is an abundant number, since it is smaller than the sum of its proper divisors (27348654).

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

20616162 is a wasteful number, since it uses less digits than its factorization.

20616162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70142 (or 70135 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20616162 is about 4540.5023951100. The cubic root of 20616162 is about 274.2011505340.

Adding to 20616162 its reverse (26161602), we get a palindrome (46777764).

The spelling of 20616162 in words is "twenty million, six hundred sixteen thousand, one hundred sixty-two".