20765914 has 16 divisors (see below), whose sum is σ = 34702920. Its totient is φ = 9253440.

The previous prime is 20765909. The next prime is 20765923. The reversal of 20765914 is 41956702.

It can be written as a sum of positive squares in 4 ways, for example, as 13653025 + 7112889 = 3695^2 + 2667^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20765914.

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, 13017 + ... + 14524.

Almost surely, 2^20765914 is an apocalyptic number.

20765914 is a deficient number, since it is larger than the sum of its proper divisors (13937006).

20765914 is a wasteful number, since it uses less digits than its factorization.

20765914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27585.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 20765914 is about 4556.9632432136. The cubic root of 20765914 is about 274.8634650052.

The spelling of 20765914 in words is "twenty million, seven hundred sixty-five thousand, nine hundred fourteen".