20702683 has 2 divisors, whose sum is σ = 20702684. Its totient is φ = 20702682.

The previous prime is 20702659. The next prime is 20702707. The reversal of 20702683 is 38620702.

It is a balanced prime because it is at equal distance from previous prime (20702659) and next prime (20702707).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20702683 is a prime.

It is not a weakly prime, because it can be changed into another prime (20702653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10351341 + 10351342.

It is an arithmetic number, because the mean of its divisors is an integer number (10351342).

Almost surely, 2^20702683 is an apocalyptic number.

20702683 is a deficient number, since it is larger than the sum of its proper divisors (1).

20702683 is an equidigital number, since it uses as much as digits as its factorization.

20702683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20702683 is about 4550.0201098457. The cubic root of 20702683 is about 274.5842002782.

It can be divided in two parts, 2070 and 2683, that added together give a triangular number (4753 = T₉₇).

The spelling of 20702683 in words is "twenty million, seven hundred two thousand, six hundred eighty-three".