20260216 has 8 divisors (see below), whose sum is σ = 37987920. Its totient is φ = 10130104.

The previous prime is 20260211. The next prime is 20260237. The reversal of 20260216 is 61206202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20260193 and 20260202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20260211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266256 + ... + 1266271.

It is an arithmetic number, because the mean of its divisors is an integer number (4748490).

Almost surely, 2^20260216 is an apocalyptic number.

It is an amenable number.

20260216 is a deficient number, since it is larger than the sum of its proper divisors (17727704).

20260216 is a wasteful number, since it uses less digits than its factorization.

20260216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532533 (or 2532529 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20260216 is about 4501.1349679831. The cubic root of 20260216 is about 272.6139175251.

Adding to 20260216 its reverse (61206202), we get a palindrome (81466418).

The spelling of 20260216 in words is "twenty million, two hundred sixty thousand, two hundred sixteen".