240220402 has 4 divisors (see below), whose sum is σ = 360330606. Its totient is φ = 120110200.

The previous prime is 240220397. The next prime is 240220423. The reversal of 240220402 is 204022042.

240220402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 219069601 + 21150801 = 14801^2 + 4599^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055099 + ... + 60055102.

Almost surely, 2^240220402 is an apocalyptic number.

240220402 is a deficient number, since it is larger than the sum of its proper divisors (120110204).

240220402 is a wasteful number, since it uses less digits than its factorization.

240220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120110203.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 240220402 is about 15499.0451963984. The cubic root of 240220402 is about 621.6366763926.

Adding to 240220402 its reverse (204022042), we get a palindrome (444242444).

It can be divided in two parts, 24022040 and 2, that added together give a palindrome (24022042).

The spelling of 240220402 in words is "two hundred forty million, two hundred twenty thousand, four hundred two".