20063516 has 12 divisors (see below), whose sum is σ = 38303160. Its totient is φ = 9119760.

The previous prime is 20063503. The next prime is 20063557. The reversal of 20063516 is 61536002.

It is a junction number, because it is equal to n+sod(n) for n = 20063491 and 20063500.

It is a congruent number.

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, 227951 + ... + 228038.

It is an arithmetic number, because the mean of its divisors is an integer number (3191930).

Almost surely, 2^20063516 is an apocalyptic number.

It is an amenable number.

20063516 is a deficient number, since it is larger than the sum of its proper divisors (18239644).

20063516 is a wasteful number, since it uses less digits than its factorization.

20063516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456004 (or 456002 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20063516 is about 4479.2316305366. The cubic root of 20063516 is about 271.7288062571.

Adding to 20063516 its reverse (61536002), we get a palindrome (81599518).

The spelling of 20063516 in words is "twenty million, sixty-three thousand, five hundred sixteen".