20033220220 has 48 divisors (see below), whose sum is σ = 45478319040. Its totient is φ = 7368731136.

The previous prime is 20033220203. The next prime is 20033220239. The reversal of 20033220220 is 2202233002.

It is a junction number, because it is equal to n+sod(n) for n = 20033220194 and 20033220203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78105 + ... + 214864.

It is an arithmetic number, because the mean of its divisors is an integer number (947464980).

Almost surely, 2^20033220220 is an apocalyptic number.

20033220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033220220 is an abundant number, since it is smaller than the sum of its proper divisors (25445098820).

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

20033220220 is a wasteful number, since it uses less digits than its factorization.

20033220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293254 (or 293252 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20033220220 its reverse (2202233002), we get a palindrome (22235453222).

It can be divided in two parts, 2003 and 3220220, that added together give a palindrome (3222223).

The spelling of 20033220220 in words is "twenty billion, thirty-three million, two hundred twenty thousand, two hundred twenty".