20703343 has 2 divisors, whose sum is σ = 20703344. Its totient is φ = 20703342.

The previous prime is 20703341. The next prime is 20703349. The reversal of 20703343 is 34330702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20703343 - 2¹ = 20703341 is a prime.

It is a super-2 number, since 2×20703343² = 857256822751298, which contains 22 as substring.

Together with 20703341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20703341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10351671 + 10351672.

It is an arithmetic number, because the mean of its divisors is an integer number (10351672).

Almost surely, 2^20703343 is an apocalyptic number.

20703343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20703343 is an equidigital number, since it uses as much as digits as its factorization.

20703343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 20703343 is about 4550.0926364196. The cubic root of 20703343 is about 274.5871181552.

The spelling of 20703343 in words is "twenty million, seven hundred three thousand, three hundred forty-three".