20484512 has 24 divisors (see below), whose sum is σ = 41269536. Its totient is φ = 10003392.

The previous prime is 20484511. The next prime is 20484523. The reversal of 20484512 is 21548402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20484511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6068 + ... + 8819.

It is an arithmetic number, because the mean of its divisors is an integer number (1719564).

Almost surely, 2^20484512 is an apocalyptic number.

It is an amenable number.

20484512 is an abundant number, since it is smaller than the sum of its proper divisors (20785024).

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

20484512 is a wasteful number, since it uses less digits than its factorization.

20484512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14940 (or 14932 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 20484512 is about 4525.9818824207. The cubic root of 20484512 is about 273.6162422103.

The spelling of 20484512 in words is "twenty million, four hundred eighty-four thousand, five hundred twelve".