240200420 has 12 divisors (see below), whose sum is σ = 504420924. Its totient is φ = 96080160.

The previous prime is 240200419. The next prime is 240200453. The reversal of 240200420 is 24002042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120604324 + 119596096 = 10982^2 + 10936^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 240200395 and 240200404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6004991 + ... + 6005030.

It is an arithmetic number, because the mean of its divisors is an integer number (42035077).

Almost surely, 2^240200420 is an apocalyptic number.

240200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240200420 is an abundant number, since it is smaller than the sum of its proper divisors (264220504).

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

240200420 is a wasteful number, since it uses less digits than its factorization.

240200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010030 (or 12010028 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 240200420 is about 15498.4005626387. The cubic root of 240200420 is about 621.6194395989.

Adding to 240200420 its reverse (24002042), we get a palindrome (264202462).

The spelling of 240200420 in words is "two hundred forty million, two hundred thousand, four hundred twenty".