133223030220 has 96 divisors (see below), whose sum is σ = 431103859200. Its totient is φ = 30108824064.

The previous prime is 133223030219. The next prime is 133223030261. The reversal of 133223030220 is 22030322331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1744630 + ... + 1819389.

It is an arithmetic number, because the mean of its divisors is an integer number (4490665200).

Almost surely, 2^133223030220 is an apocalyptic number.

133223030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133223030220 is an abundant number, since it is smaller than the sum of its proper divisors (297880828980).

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

133223030220 is a wasteful number, since it uses less digits than its factorization.

133223030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564127 (or 3564125 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 133223030220 its reverse (22030322331), we get a palindrome (155253352551).

The spelling of 133223030220 in words is "one hundred thirty-three billion, two hundred twenty-three million, thirty thousand, two hundred twenty".