240213123133020 has 48 divisors (see below), whose sum is σ = 747329716415520. Its totient is φ = 64056832835328.

The previous prime is 240213123133013. The next prime is 240213123133073. The reversal of 240213123133020 is 20331321312042.

240213123133020 is a `hidden beast` number, since 2 + 4 + 0 + 2 + 1 + 312 + 313 + 30 + 2 + 0 = 666.

It is a super-2 number, since 2×240213123133020² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222419557917 + ... + 222419558996.

It is an arithmetic number, because the mean of its divisors is an integer number (15569369091990).

Almost surely, 2^{240213123133020} is an apocalyptic number.

240213123133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240213123133020 is an abundant number, since it is smaller than the sum of its proper divisors (507116593282500).

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

240213123133020 is a wasteful number, since it uses less digits than its factorization.

240213123133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444839116931 (or 444839116923 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 240213123133020 its reverse (20331321312042), we get a palindrome (260544444445062).

The spelling of 240213123133020 in words is "two hundred forty trillion, two hundred thirteen billion, one hundred twenty-three million, one hundred thirty-three thousand, twenty".