133242040220 has 24 divisors (see below), whose sum is σ = 279820213008. Its totient is φ = 53294544000.

The previous prime is 133242040213. The next prime is 133242040229. The reversal of 133242040220 is 22040242331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133242040229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386915 + ... + 645125.

It is an arithmetic number, because the mean of its divisors is an integer number (11659175542).

Almost surely, 2^133242040220 is an apocalyptic number.

133242040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133242040220 is an abundant number, since it is smaller than the sum of its proper divisors (146578172788).

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

133242040220 is a wasteful number, since it uses less digits than its factorization.

133242040220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284021 (or 284019 counting only the distinct ones).

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

Adding to 133242040220 its reverse (22040242331), we get a palindrome (155282282551).

The spelling of 133242040220 in words is "one hundred thirty-three billion, two hundred forty-two million, forty thousand, two hundred twenty".