240420203 has 2 divisors, whose sum is σ = 240420204. Its totient is φ = 240420202.

The previous prime is 240420161. The next prime is 240420217. The reversal of 240420203 is 302024042.

240420203 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 240420203 - 2¹² = 240416107 is a prime.

It is a super-2 number, since 2×240420203² = 115603748021122418, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (240420233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120210101 + 120210102.

It is an arithmetic number, because the mean of its divisors is an integer number (120210102).

Almost surely, 2^240420203 is an apocalyptic number.

240420203 is a deficient number, since it is larger than the sum of its proper divisors (1).

240420203 is an equidigital number, since it uses as much as digits as its factorization.

240420203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 240420203 is about 15505.4894472893. The cubic root of 240420203 is about 621.8089753999.

Adding to 240420203 its reverse (302024042), we get a palindrome (542444245).

The spelling of 240420203 in words is "two hundred forty million, four hundred twenty thousand, two hundred three".