20703065 has 16 divisors (see below), whose sum is σ = 26265600. Its totient is φ = 15622272.

The previous prime is 20703031. The next prime is 20703079. The reversal of 20703065 is 56030702.

It is a cyclic number.

It is not a de Polignac number, because 20703065 - 2⁸ = 20702809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20703065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36101 + ... + 36669.

It is an arithmetic number, because the mean of its divisors is an integer number (1641600).

Almost surely, 2^20703065 is an apocalyptic number.

It is an amenable number.

20703065 is a deficient number, since it is larger than the sum of its proper divisors (5562535).

20703065 is a wasteful number, since it uses less digits than its factorization.

20703065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 20703065 is about 4550.0620874885. The cubic root of 20703065 is about 274.5858891176.

Adding to 20703065 its reverse (56030702), we get a palindrome (76733767).

The spelling of 20703065 in words is "twenty million, seven hundred three thousand, sixty-five".