20480012 has 24 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 8741520.

The previous prime is 20480011. The next prime is 20480027. The reversal of 20480012 is 21008402.

It is not an unprimeable number, because it can be changed into a prime (20480011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6239 + ... + 8937.

It is an arithmetic number, because the mean of its divisors is an integer number (1713600).

Almost surely, 2^20480012 is an apocalyptic number.

It is an amenable number.

20480012 is an abundant number, since it is smaller than the sum of its proper divisors (20646388).

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

20480012 is a wasteful number, since it uses less digits than its factorization.

20480012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20480012 is about 4525.4847254189. The cubic root of 20480012 is about 273.5962049050.

Adding to 20480012 its reverse (21008402), we get a palindrome (41488414).

The spelling of 20480012 in words is "twenty million, four hundred eighty thousand, twelve".