133123331020 has 12 divisors (see below), whose sum is σ = 279558995184. Its totient is φ = 53249332400.

The previous prime is 133123330987. The next prime is 133123331051. The reversal of 133123331020 is 20133321331.

It is a junction number, because it is equal to n+sod(n) for n = 133123330982 and 133123331000.

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 3 ways as a sum of consecutive naturals, for example, 3328083256 + ... + 3328083295.

It is an arithmetic number, because the mean of its divisors is an integer number (23296582932).

Almost surely, 2^133123331020 is an apocalyptic number.

133123331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133123331020 is an abundant number, since it is smaller than the sum of its proper divisors (146435664164).

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

133123331020 is a wasteful number, since it uses less digits than its factorization.

133123331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656166560 (or 6656166558 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133123331020 its reverse (20133321331), we get a palindrome (153256652351).

The spelling of 133123331020 in words is "one hundred thirty-three billion, one hundred twenty-three million, three hundred thirty-one thousand, twenty".