20464286008 has 16 divisors (see below), whose sum is σ = 38407768560. Its totient is φ = 10222214400.

The previous prime is 20464285979. The next prime is 20464286033. The reversal of 20464286008 is 80068246402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232313 + ... + 1248808.

It is an arithmetic number, because the mean of its divisors is an integer number (2400485535).

Almost surely, 2^20464286008 is an apocalyptic number.

It is an amenable number.

20464286008 is a deficient number, since it is larger than the sum of its proper divisors (17943482552).

20464286008 is a wasteful number, since it uses less digits than its factorization.

20464286008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482158 (or 2482154 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 20464286008 in words is "twenty billion, four hundred sixty-four million, two hundred eighty-six thousand, eight".