201420230240 has 48 divisors (see below), whose sum is σ = 475882737120. Its totient is φ = 80563445760.

The previous prime is 201420230237. The next prime is 201420230261. The reversal of 201420230240 is 42032024102.

201420230240 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 2×201420230240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 4558976 + ... + 4602944.

It is an arithmetic number, because the mean of its divisors is an integer number (9914223690).

Almost surely, 2^201420230240 is an apocalyptic number.

201420230240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201420230240 is an abundant number, since it is smaller than the sum of its proper divisors (274462506880).

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

201420230240 is a wasteful number, since it uses less digits than its factorization.

201420230240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72615 (or 72607 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 201420230240 its reverse (42032024102), we get a palindrome (243452254342).

The spelling of 201420230240 in words is "two hundred one billion, four hundred twenty million, two hundred thirty thousand, two hundred forty".