20161076 has 24 divisors (see below), whose sum is σ = 38355240. Its totient is φ = 9217152.

The previous prime is 20161027. The next prime is 20161079. The reversal of 20161076 is 67016102.

It can be written as a sum of positive squares in 4 ways, for example, as 144400 + 20016676 = 380^2 + 4474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161079) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3890 + ... + 7446.

It is an arithmetic number, because the mean of its divisors is an integer number (1598135).

Almost surely, 2^20161076 is an apocalyptic number.

20161076 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20161076 is a deficient number, since it is larger than the sum of its proper divisors (18194164).

20161076 is a wasteful number, since it uses less digits than its factorization.

20161076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 20161076 is about 4490.1086846534. The cubic root of 20161076 is about 272.1685266175.

Adding to 20161076 its reverse (67016102), we get a palindrome (87177178).

The spelling of 20161076 in words is "twenty million, one hundred sixty-one thousand, seventy-six".