133420688220 has 48 divisors (see below), whose sum is σ = 373657818240. Its totient is φ = 35571241536.

The previous prime is 133420688197. The next prime is 133420688221. The reversal of 133420688220 is 22886024331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133420688221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47971 + ... + 518789.

It is an arithmetic number, because the mean of its divisors is an integer number (7784537880).

Almost surely, 2^133420688220 is an apocalyptic number.

133420688220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133420688220 is an abundant number, since it is smaller than the sum of its proper divisors (240237130020).

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

133420688220 is a wasteful number, since it uses less digits than its factorization.

133420688220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475554 (or 475552 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 133420688220 in words is "one hundred thirty-three billion, four hundred twenty million, six hundred eighty-eight thousand, two hundred twenty".