133424004020 has 12 divisors (see below), whose sum is σ = 280190408484. Its totient is φ = 53369601600.

The previous prime is 133424004017. The next prime is 133424004053. The reversal of 133424004020 is 20400424331.

It can be written as a sum of positive squares in 2 ways, for example, as 56543132944 + 76880871076 = 237788^2 + 277274^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3335600081 + ... + 3335600120.

It is an arithmetic number, because the mean of its divisors is an integer number (23349200707).

Almost surely, 2^133424004020 is an apocalyptic number.

133424004020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133424004020 is an abundant number, since it is smaller than the sum of its proper divisors (146766404464).

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

133424004020 is a wasteful number, since it uses less digits than its factorization.

133424004020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671200210 (or 6671200208 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 133424004020 its reverse (20400424331), we get a palindrome (153824428351).

The spelling of 133424004020 in words is "one hundred thirty-three billion, four hundred twenty-four million, four thousand, twenty".