20063316 has 96 divisors (see below), whose sum is σ = 60712960. Its totient is φ = 5007744.

The previous prime is 20063299. The next prime is 20063317. The reversal of 20063316 is 61336002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20063292 and 20063301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20063317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20265 + ... + 21231.

Almost surely, 2^20063316 is an apocalyptic number.

20063316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20063316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30356480).

20063316 is an abundant number, since it is smaller than the sum of its proper divisors (40649644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20063316 is a wasteful number, since it uses less digits than its factorization.

20063316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 20063316 is about 4479.2093052234. The cubic root of 20063316 is about 271.7279033588.

Adding to 20063316 its reverse (61336002), we get a palindrome (81399318).

The spelling of 20063316 in words is "twenty million, sixty-three thousand, three hundred sixteen".