133133122020 has 48 divisors (see below), whose sum is σ = 373577944320. Its totient is φ = 35425479936.

The previous prime is 133133121983. The next prime is 133133122039. The reversal of 133133122020 is 20221331331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368425 + ... + 2423984.

It is an arithmetic number, because the mean of its divisors is an integer number (7782873840).

Almost surely, 2^133133122020 is an apocalyptic number.

133133122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133133122020 is an abundant number, since it is smaller than the sum of its proper divisors (240444822300).

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

133133122020 is a wasteful number, since it uses less digits than its factorization.

133133122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792884 (or 4792882 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133133122020 its reverse (20221331331), we get a palindrome (153354453351).

The spelling of 133133122020 in words is "one hundred thirty-three billion, one hundred thirty-three million, one hundred twenty-two thousand, twenty".