20706694 has 16 divisors (see below), whose sum is σ = 33234480. Its totient is φ = 9646560.

The previous prime is 20706683. The next prime is 20706709. The reversal of 20706694 is 49660702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149 + ... + 6784.

It is an arithmetic number, because the mean of its divisors is an integer number (2077155).

Almost surely, 2^20706694 is an apocalyptic number.

20706694 is a deficient number, since it is larger than the sum of its proper divisors (12527786).

20706694 is a wasteful number, since it uses less digits than its factorization.

20706694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015.

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

The square root of 20706694 is about 4550.4608557815. The cubic root of 20706694 is about 274.6019320558.

The spelling of 20706694 in words is "twenty million, seven hundred six thousand, six hundred ninety-four".