133113132020 has 48 divisors (see below), whose sum is σ = 310118760000. Its totient is φ = 47584350720.

The previous prime is 133113132011. The next prime is 133113132043. The reversal of 133113132020 is 20231311331.

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 = 133113131983 and 133113132001.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5114645 + ... + 5140604.

It is an arithmetic number, because the mean of its divisors is an integer number (6460807500).

Almost surely, 2^133113132020 is an apocalyptic number.

133113132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133113132020 is an abundant number, since it is smaller than the sum of its proper divisors (177005627980).

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

133113132020 is a wasteful number, since it uses less digits than its factorization.

133113132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255328 (or 10255326 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133113132020 its reverse (20231311331), we get a palindrome (153344443351).

The spelling of 133113132020 in words is "one hundred thirty-three billion, one hundred thirteen million, one hundred thirty-two thousand, twenty".