133313220031220 has 24 divisors (see below), whose sum is σ = 288988657617408. Its totient is φ = 51605117431200.

The previous prime is 133313220031163. The next prime is 133313220031247. The reversal of 133313220031220 is 22130022313331.

It is a self number, because there is not a number n which added to its sum of digits gives 133313220031220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107510660696 + ... + 107510661935.

It is an arithmetic number, because the mean of its divisors is an integer number (12041194067392).

Almost surely, 2^{133313220031220} is an apocalyptic number.

133313220031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133313220031220 is an abundant number, since it is smaller than the sum of its proper divisors (155675437586188).

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

133313220031220 is a wasteful number, since it uses less digits than its factorization.

133313220031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215021322671 (or 215021322669 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133313220031220 its reverse (22130022313331), we get a palindrome (155443242344551).

The spelling of 133313220031220 in words is "one hundred thirty-three trillion, three hundred thirteen billion, two hundred twenty million, thirty-one thousand, two hundred twenty".