20480116 has 6 divisors (see below), whose sum is σ = 35840210. Its totient is φ = 10240056.

The previous prime is 20480111. The next prime is 20480137. The reversal of 20480116 is 61108402.

It can be written as a sum of positive squares in only one way, i.e., 15840400 + 4639716 = 3980^2 + 2154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20480111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560011 + ... + 2560018.

Almost surely, 2^20480116 is an apocalyptic number.

It is an amenable number.

20480116 is a deficient number, since it is larger than the sum of its proper divisors (15360094).

20480116 is a wasteful number, since it uses less digits than its factorization.

20480116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120033 (or 5120031 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 20480116 is about 4525.4962158862. The cubic root of 20480116 is about 273.5966680225.

Adding to 20480116 its reverse (61108402), we get a palindrome (81588518).

The spelling of 20480116 in words is "twenty million, four hundred eighty thousand, one hundred sixteen".