20479468 has 24 divisors (see below), whose sum is σ = 37183104. Its totient is φ = 9859200.

The previous prime is 20479439. The next prime is 20479489. The reversal of 20479468 is 86497402.

It is a self number, because there is not a number n which added to its sum of digits gives 20479468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39048 + ... + 39568.

It is an arithmetic number, because the mean of its divisors is an integer number (1549296).

Almost surely, 2^20479468 is an apocalyptic number.

It is an amenable number.

20479468 is a deficient number, since it is larger than the sum of its proper divisors (16703636).

20479468 is a wasteful number, since it uses less digits than its factorization.

20479468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 20479468 is about 4525.4246209610. The cubic root of 20479468 is about 273.5937824186.

The spelling of 20479468 in words is "twenty million, four hundred seventy-nine thousand, four hundred sixty-eight".