20534303 has 2 divisors, whose sum is σ = 20534304. Its totient is φ = 20534302.

The previous prime is 20534281. The next prime is 20534329. The reversal of 20534303 is 30343502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20534303 - 2¹⁴ = 20517919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20534603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10267151 + 10267152.

It is an arithmetic number, because the mean of its divisors is an integer number (10267152).

Almost surely, 2^20534303 is an apocalyptic number.

20534303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20534303 is an equidigital number, since it uses as much as digits as its factorization.

20534303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 20534303 is about 4531.4791183454. The cubic root of 20534303 is about 273.8377527030.

Adding to 20534303 its reverse (30343502), we get a palindrome (50877805).

The spelling of 20534303 in words is "twenty million, five hundred thirty-four thousand, three hundred three".