240020002 has 8 divisors (see below), whose sum is σ = 360956700. Its totient is φ = 119701104.

The previous prime is 240019961. The next prime is 240020003. The reversal of 240020002 is 200020042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 229189321 + 10830681 = 15139^2 + 3291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (240020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153477 + ... + 155032.

Almost surely, 2^240020002 is an apocalyptic number.

240020002 is a deficient number, since it is larger than the sum of its proper divisors (120936698).

240020002 is a wasteful number, since it uses less digits than its factorization.

240020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308900.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 240020002 is about 15492.5789331538. The cubic root of 240020002 is about 621.4637648402.

Adding to 240020002 its reverse (200020042), we get a palindrome (440040044).

The spelling of 240020002 in words is "two hundred forty million, twenty thousand, two".