133001023320 has 192 divisors, whose sum is σ = 472675076640. Its totient is φ = 32165683200.

The previous prime is 133001023273. The next prime is 133001023339. The reversal of 133001023320 is 23320100331.

133001023320 is a `hidden beast` number, since 1 + 330 + 0 + 1 + 0 + 2 + 332 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 133001023293 and 133001023302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1627272 + ... + 1707048.

Almost surely, 2^133001023320 is an apocalyptic number.

133001023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133001023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236337538320).

133001023320 is an abundant number, since it is smaller than the sum of its proper divisors (339674053320).

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

133001023320 is a wasteful number, since it uses less digits than its factorization.

133001023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80226 (or 80219 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 133001023320 its reverse (23320100331), we get a palindrome (156321123651).

The spelling of 133001023320 in words is "one hundred thirty-three billion, one million, twenty-three thousand, three hundred twenty".