133013230020 has 72 divisors (see below), whose sum is σ = 440152876800. Its totient is φ = 32245631040.

The previous prime is 133013230019. The next prime is 133013230037. The reversal of 133013230020 is 20032310331.

133013230020 is a `hidden beast` number, since 1 + 330 + 1 + 32 + 300 + 2 + 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 = 133013229975 and 133013230002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33587220 + ... + 33591179.

It is an arithmetic number, because the mean of its divisors is an integer number (6113234400).

Almost surely, 2^133013230020 is an apocalyptic number.

133013230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133013230020 is an abundant number, since it is smaller than the sum of its proper divisors (307139646780).

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

133013230020 is a wasteful number, since it uses less digits than its factorization.

133013230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67178425 (or 67178420 counting only the distinct ones).

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

Adding to 133013230020 its reverse (20032310331), we get a palindrome (153045540351).

The spelling of 133013230020 in words is "one hundred thirty-three billion, thirteen million, two hundred thirty thousand, twenty".