20000353 has 2 divisors, whose sum is σ = 20000354. Its totient is φ = 20000352.

The previous prime is 20000339. The next prime is 20000359. The reversal of 20000353 is 35300002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 6801664 = 3633^2 + 2608^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000353 - 2²¹ = 17903201 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000176 + 10000177.

It is an arithmetic number, because the mean of its divisors is an integer number (10000177).

Almost surely, 2^20000353 is an apocalyptic number.

It is an amenable number.

20000353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000353 is an equidigital number, since it uses as much as digits as its factorization.

20000353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 20000353 is about 4472.1754214252. The cubic root of 20000353 is about 271.4433586325.

Adding to 20000353 its reverse (35300002), we get a palindrome (55300355).

The spelling of 20000353 in words is "twenty million, three hundred fifty-three", and thus it is an aban number.