20003330220 has 24 divisors (see below), whose sum is σ = 56009324784. Its totient is φ = 5334221376.

The previous prime is 20003330213. The next prime is 20003330251. The reversal of 20003330220 is 2203330002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20003330220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166694359 + ... + 166694478.

It is an arithmetic number, because the mean of its divisors is an integer number (2333721866).

Almost surely, 2^20003330220 is an apocalyptic number.

20003330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003330220 is an abundant number, since it is smaller than the sum of its proper divisors (36005994564).

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

20003330220 is a wasteful number, since it uses less digits than its factorization.

20003330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333388849 (or 333388847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20003330220 its reverse (2203330002), we get a palindrome (22206660222).

The spelling of 20003330220 in words is "twenty billion, three million, three hundred thirty thousand, two hundred twenty".