133303322020 has 24 divisors (see below), whose sum is σ = 305385792768. Its totient is φ = 48473935200.

The previous prime is 133303321997. The next prime is 133303322029. The reversal of 133303322020 is 20223303331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 133303321982 and 133303322000.

It is not an unprimeable number, because it can be changed into a prime (133303322029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302961876 + ... + 302962315.

It is an arithmetic number, because the mean of its divisors is an integer number (12724408032).

Almost surely, 2^133303322020 is an apocalyptic number.

133303322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133303322020 is an abundant number, since it is smaller than the sum of its proper divisors (172082470748).

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

133303322020 is a wasteful number, since it uses less digits than its factorization.

133303322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605924211 (or 605924209 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 133303322020 its reverse (20223303331), we get a palindrome (153526625351).

The spelling of 133303322020 in words is "one hundred thirty-three billion, three hundred three million, three hundred twenty-two thousand, twenty".