8203226520 has 64 divisors (see below), whose sum is σ = 25458300000. Its totient is φ = 2112094208.

The previous prime is 8203226501. The next prime is 8203226533. The reversal of 8203226520 is 256223028.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175145 + ... + 1182104.

Almost surely, 2^8203226520 is an apocalyptic number.

It is an amenable number.

8203226520 is an abundant number, since it is smaller than the sum of its proper divisors (17255073480).

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

8203226520 is a wasteful number, since it uses less digits than its factorization.

8203226520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357292 (or 2357288 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 8203226520 is about 90571.6651055947. The cubic root of 8203226520 is about 2016.7941272564.

Adding to 8203226520 its reverse (256223028), we get a palindrome (8459449548).

The spelling of 8203226520 in words is "eight billion, two hundred three million, two hundred twenty-six thousand, five hundred twenty".