20703716 has 12 divisors (see below), whose sum is σ = 39525360. Its totient is φ = 9410760.

The previous prime is 20703707. The next prime is 20703731. The reversal of 20703716 is 61730702.

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, 235226 + ... + 235313.

It is an arithmetic number, because the mean of its divisors is an integer number (3293780).

Almost surely, 2^20703716 is an apocalyptic number.

It is an amenable number.

20703716 is a deficient number, since it is larger than the sum of its proper divisors (18821644).

20703716 is a wasteful number, since it uses less digits than its factorization.

20703716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470554 (or 470552 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 20703716 is about 4550.1336244115. The cubic root of 20703716 is about 274.5887671704.

The spelling of 20703716 in words is "twenty million, seven hundred three thousand, seven hundred sixteen".