240020003 has 2 divisors, whose sum is σ = 240020004. Its totient is φ = 240020002.

The previous prime is 240019961. The next prime is 240020009. The reversal of 240020003 is 300020042.

240020003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240020003 - 2²⁴ = 223242787 is a prime.

It is not a weakly prime, because it can be changed into another prime (240020009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120010001 + 120010002.

It is an arithmetic number, because the mean of its divisors is an integer number (120010002).

Almost surely, 2^240020003 is an apocalyptic number.

240020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

240020003 is an equidigital number, since it uses as much as digits as its factorization.

240020003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 240020003 is about 15492.5789654273. The cubic root of 240020003 is about 621.4637657033.

Adding to 240020003 its reverse (300020042), we get a palindrome (540040045).

It can be divided in two parts, 24002000 and 3, that multiplied together give a triangular number (72006000 = T₁₂₀₀₀).

The spelling of 240020003 in words is "two hundred forty million, twenty thousand, three".