20063602 has 16 divisors (see below), whose sum is σ = 32702040. Its totient is φ = 9176832.

The previous prime is 20063591. The next prime is 20063611. The reversal of 20063602 is 20636002.

It can be written as a sum of positive squares in 4 ways, for example, as 7890481 + 12173121 = 2809^2 + 3489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20063602.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 477 + ... + 6352.

Almost surely, 2^20063602 is an apocalyptic number.

20063602 is a deficient number, since it is larger than the sum of its proper divisors (12638438).

20063602 is a wasteful number, since it uses less digits than its factorization.

20063602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20063602 is about 4479.2412303871. The cubic root of 20063602 is about 271.7291945015.

Adding to 20063602 its reverse (20636002), we get a palindrome (40699604).

The spelling of 20063602 in words is "twenty million, sixty-three thousand, six hundred two".