133311220220 has 48 divisors (see below), whose sum is σ = 283978312128. Its totient is φ = 52558302720.

The previous prime is 133311220219. The next prime is 133311220249. The reversal of 133311220220 is 22022113331.

It is a super-3 number, since 3×133311220220³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 133311220192 and 133311220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5800592 + ... + 5823528.

It is an arithmetic number, because the mean of its divisors is an integer number (5916214836).

Almost surely, 2^133311220220 is an apocalyptic number.

133311220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133311220220 is an abundant number, since it is smaller than the sum of its proper divisors (150667091908).

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

133311220220 is a wasteful number, since it uses less digits than its factorization.

133311220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27110 (or 27108 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 133311220220 its reverse (22022113331), we get a palindrome (155333333551).

The spelling of 133311220220 in words is "one hundred thirty-three billion, three hundred eleven million, two hundred twenty thousand, two hundred twenty".