240335001220 has 24 divisors (see below), whose sum is σ = 504845941824. Its totient is φ = 96106869216.

The previous prime is 240335001211. The next prime is 240335001253. The reversal of 240335001220 is 22100533042.

240335001220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×240335001220² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240335001191 and 240335001200.

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 7 ways as a sum of consecutive naturals, for example, 1622992 + ... + 1764871.

It is an arithmetic number, because the mean of its divisors is an integer number (21035247576).

Almost surely, 2^240335001220 is an apocalyptic number.

240335001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240335001220 is an abundant number, since it is smaller than the sum of its proper divisors (264510940604).

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

240335001220 is a wasteful number, since it uses less digits than its factorization.

240335001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391419 (or 3391417 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 240335001220 its reverse (22100533042), we get a palindrome (262435534262).

The spelling of 240335001220 in words is "two hundred forty billion, three hundred thirty-five million, one thousand, two hundred twenty".