133500016004020 has 96 divisors (see below), whose sum is σ = 281667177138816. Its totient is φ = 53149579660800.

The previous prime is 133500016004009. The next prime is 133500016004027. The reversal of 133500016004020 is 20400610005331.

It is a super-2 number, since 2×133500016004020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133500016004027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37384488835 + ... + 37384492405.

It is an arithmetic number, because the mean of its divisors is an integer number (2934033095196).

Almost surely, 2^{133500016004020} is an apocalyptic number.

133500016004020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133500016004020 is an abundant number, since it is smaller than the sum of its proper divisors (148167161134796).

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

133500016004020 is a wasteful number, since it uses less digits than its factorization.

133500016004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9281 (or 9279 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 133500016004020 its reverse (20400610005331), we get a palindrome (153900626009351).

The spelling of 133500016004020 in words is "one hundred thirty-three trillion, five hundred billion, sixteen million, four thousand, twenty".