20063345 has 4 divisors (see below), whose sum is σ = 24076020. Its totient is φ = 16050672.

The previous prime is 20063339. The next prime is 20063369. The reversal of 20063345 is 54336002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12794929 + 7268416 = 3577^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 20063345 - 2⁸ = 20063089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20063345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006330 + ... + 2006339.

It is an arithmetic number, because the mean of its divisors is an integer number (6019005).

Almost surely, 2^20063345 is an apocalyptic number.

It is an amenable number.

20063345 is a deficient number, since it is larger than the sum of its proper divisors (4012675).

20063345 is an equidigital number, since it uses as much as digits as its factorization.

20063345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012674.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 20063345 is about 4479.2125424007. The cubic root of 20063345 is about 271.7280342794.

Adding to 20063345 its reverse (54336002), we get a palindrome (74399347).

The spelling of 20063345 in words is "twenty million, sixty-three thousand, three hundred forty-five".