20468768 has 24 divisors (see below), whose sum is σ = 40903632. Its totient is φ = 10080576.

The previous prime is 20468753. The next prime is 20468771. The reversal of 20468768 is 86786402.

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, 2630 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (1704318).

Almost surely, 2^20468768 is an apocalyptic number.

It is an amenable number.

20468768 is a deficient number, since it is larger than the sum of its proper divisors (20434864).

20468768 is an equidigital number, since it uses as much as digits as its factorization.

20468768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624 (or 9616 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 20468768 is about 4524.2422569973. The cubic root of 20468768 is about 273.5461255253.

The spelling of 20468768 in words is "twenty million, four hundred sixty-eight thousand, seven hundred sixty-eight".