20893328 has 20 divisors (see below), whose sum is σ = 40555440. Its totient is φ = 10427424.

The previous prime is 20893319. The next prime is 20893339. The reversal of 20893328 is 82339802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12443 + ... + 14021.

It is an arithmetic number, because the mean of its divisors is an integer number (2027772).

Almost surely, 2^20893328 is an apocalyptic number.

It is an amenable number.

20893328 is a deficient number, since it is larger than the sum of its proper divisors (19662112).

20893328 is a wasteful number, since it uses less digits than its factorization.

20893328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 20893328 is about 4570.9220076479. The cubic root of 20893328 is about 275.4244816360.

The spelling of 20893328 in words is "twenty million, eight hundred ninety-three thousand, three hundred twenty-eight".