20704696 has 8 divisors (see below), whose sum is σ = 38821320. Its totient is φ = 10352344.

The previous prime is 20704687. The next prime is 20704703. The reversal of 20704696 is 69640702.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1294036 + ... + 1294051.

It is an arithmetic number, because the mean of its divisors is an integer number (4852665).

Almost surely, 2^20704696 is an apocalyptic number.

It is an amenable number.

20704696 is a deficient number, since it is larger than the sum of its proper divisors (18116624).

20704696 is a wasteful number, since it uses less digits than its factorization.

20704696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588093 (or 2588089 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20704696 is about 4550.2413122822. The cubic root of 20704696 is about 274.5930996092.

The spelling of 20704696 in words is "twenty million, seven hundred four thousand, six hundred ninety-six".