20762116 has 12 divisors (see below), whose sum is σ = 36399132. Its totient is φ = 10362368.

The previous prime is 20762111. The next prime is 20762129. The reversal of 20762116 is 61126702.

It can be written as a sum of positive squares in 2 ways, for example, as 15681600 + 5080516 = 3960^2 + 2254^2 .

It is not an unprimeable number, because it can be changed into a prime (20762111) 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 3 ways as a sum of consecutive naturals, for example, 2005 + ... + 6748.

It is an arithmetic number, because the mean of its divisors is an integer number (3033261).

Almost surely, 2^20762116 is an apocalyptic number.

It is an amenable number.

20762116 is a deficient number, since it is larger than the sum of its proper divisors (15637016).

20762116 is a wasteful number, since it uses less digits than its factorization.

20762116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350 (or 9348 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20762116 is about 4556.5464992689. The cubic root of 20762116 is about 274.8467068522.

Adding to 20762116 its reverse (61126702), we get a palindrome (81888818).

The spelling of 20762116 in words is "twenty million, seven hundred sixty-two thousand, one hundred sixteen".