20070343 has 2 divisors, whose sum is σ = 20070344. Its totient is φ = 20070342.

The previous prime is 20070307. The next prime is 20070371. The reversal of 20070343 is 34307002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20070343 - 2⁹ = 20069831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20070343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20070373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10035171 + 10035172.

It is an arithmetic number, because the mean of its divisors is an integer number (10035172).

Almost surely, 2^20070343 is an apocalyptic number.

20070343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20070343 is an equidigital number, since it uses as much as digits as its factorization.

20070343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 20070343 is about 4479.9936383883. The cubic root of 20070343 is about 271.7596230921.

Adding to 20070343 its reverse (34307002), we get a palindrome (54377345).

The spelling of 20070343 in words is "twenty million, seventy thousand, three hundred forty-three".