240220003 has 4 divisors (see below), whose sum is σ = 240933160. Its totient is φ = 239506848.

The previous prime is 240219997. The next prime is 240220007. The reversal of 240220003 is 300022042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300022042 = 2 ⋅150011021.

It is a cyclic number.

It is not a de Polignac number, because 240220003 - 2¹⁷ = 240088931 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 3 ways as a sum of consecutive naturals, for example, 356073 + ... + 356746.

It is an arithmetic number, because the mean of its divisors is an integer number (60233290).

Almost surely, 2^240220003 is an apocalyptic number.

240220003 is a deficient number, since it is larger than the sum of its proper divisors (713157).

240220003 is an equidigital number, since it uses as much as digits as its factorization.

240220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713156.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 240220003 is about 15499.0323246324. The cubic root of 240220003 is about 621.6363322181.

Adding to 240220003 its reverse (300022042), we get a palindrome (540242045).

The spelling of 240220003 in words is "two hundred forty million, two hundred twenty thousand, three".