133442302220 has 24 divisors (see below), whose sum is σ = 280259296800. Its totient is φ = 53371118592.

The previous prime is 133442302199. The next prime is 133442302237. The reversal of 133442302220 is 22203244331.

It is a self number, because there is not a number n which added to its sum of digits gives 133442302220.

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 7 ways as a sum of consecutive naturals, for example, 171605 + ... + 544364.

It is an arithmetic number, because the mean of its divisors is an integer number (11677470700).

Almost surely, 2^133442302220 is an apocalyptic number.

133442302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133442302220 is an abundant number, since it is smaller than the sum of its proper divisors (146816994580).

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

133442302220 is a wasteful number, since it uses less digits than its factorization.

133442302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725297 (or 725295 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 133442302220 its reverse (22203244331), we get a palindrome (155645546551).

The spelling of 133442302220 in words is "one hundred thirty-three billion, four hundred forty-two million, three hundred two thousand, two hundred twenty".