133030518220 has 12 divisors (see below), whose sum is σ = 279364088304. Its totient is φ = 53212207280.

The previous prime is 133030518211. The next prime is 133030518223. The reversal of 133030518220 is 22815030331.

It is not an unprimeable number, because it can be changed into a prime (133030518223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3325762936 + ... + 3325762975.

It is an arithmetic number, because the mean of its divisors is an integer number (23280340692).

Almost surely, 2^133030518220 is an apocalyptic number.

133030518220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133030518220 is an abundant number, since it is smaller than the sum of its proper divisors (146333570084).

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

133030518220 is a wasteful number, since it uses less digits than its factorization.

133030518220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6651525920 (or 6651525918 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 133030518220 its reverse (22815030331), we get a palindrome (155845548551).

The spelling of 133030518220 in words is "one hundred thirty-three billion, thirty million, five hundred eighteen thousand, two hundred twenty".