20230216 has 8 divisors (see below), whose sum is σ = 37931670. Its totient is φ = 10115104.

The previous prime is 20230201. The next prime is 20230219. The reversal of 20230216 is 61203202.

It can be written as a sum of positive squares in only one way, i.e., 19802500 + 427716 = 4450^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20230216.

It is not an unprimeable number, because it can be changed into a prime (20230219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264381 + ... + 1264396.

Almost surely, 2^20230216 is an apocalyptic number.

It is an amenable number.

20230216 is a deficient number, since it is larger than the sum of its proper divisors (17701454).

20230216 is a wasteful number, since it uses less digits than its factorization.

20230216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528783 (or 2528779 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20230216 is about 4497.8012406063. The cubic root of 20230216 is about 272.4792947823.

Adding to 20230216 its reverse (61203202), we get a palindrome (81433418).

The spelling of 20230216 in words is "twenty million, two hundred thirty thousand, two hundred sixteen".