133303023020 has 24 divisors (see below), whose sum is σ = 294669841200. Its totient is φ = 50514829632.

The previous prime is 133303023019. The next prime is 133303023047. The reversal of 133303023020 is 20320303331.

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 = 133303022983 and 133303023001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175398335 + ... + 175399094.

It is an arithmetic number, because the mean of its divisors is an integer number (12277910050).

Almost surely, 2^133303023020 is an apocalyptic number.

133303023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133303023020 is an abundant number, since it is smaller than the sum of its proper divisors (161366818180).

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

133303023020 is a wasteful number, since it uses less digits than its factorization.

133303023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350797457 (or 350797455 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 133303023020 its reverse (20320303331), we get a palindrome (153623326351).

The spelling of 133303023020 in words is "one hundred thirty-three billion, three hundred three million, twenty-three thousand, twenty".