240220001 has 12 divisors (see below), whose sum is σ = 279805248. Its totient is φ = 205633512.

The previous prime is 240219997. The next prime is 240220007. The reversal of 240220001 is 100022042.

It is not a de Polignac number, because 240220001 - 2² = 240219997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240220007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40700 + ... + 46226.

It is an arithmetic number, because the mean of its divisors is an integer number (23317104).

Almost surely, 2^240220001 is an apocalyptic number.

It is an amenable number.

240220001 is a deficient number, since it is larger than the sum of its proper divisors (39585247).

240220001 is an equidigital number, since it uses as much as digits as its factorization.

240220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428 (or 6421 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 240220001 is about 15499.0322601122. The cubic root of 240220001 is about 621.6363304930.

Adding to 240220001 its reverse (100022042), we get a palindrome (340242043).

The spelling of 240220001 in words is "two hundred forty million, two hundred twenty thousand, one".