133203032220 has 24 divisors (see below), whose sum is σ = 372968490384. Its totient is φ = 35520808576.

The previous prime is 133203032213. The next prime is 133203032231. The reversal of 133203032220 is 22230302331.

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, 1110025209 + ... + 1110025328.

It is an arithmetic number, because the mean of its divisors is an integer number (15540353766).

Almost surely, 2^133203032220 is an apocalyptic number.

133203032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133203032220 is an abundant number, since it is smaller than the sum of its proper divisors (239765458164).

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

133203032220 is a wasteful number, since it uses less digits than its factorization.

133203032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220050549 (or 2220050547 counting only the distinct ones).

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

Adding to 133203032220 its reverse (22230302331), we get a palindrome (155433334551).

The spelling of 133203032220 in words is "one hundred thirty-three billion, two hundred three million, thirty-two thousand, two hundred twenty".