242420002 has 16 divisors (see below), whose sum is σ = 397327392. Its totient is φ = 110013120.

The previous prime is 242419981. The next prime is 242420011. The reversal of 242420002 is 200024242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5578 + ... + 22714.

It is an arithmetic number, because the mean of its divisors is an integer number (24832962).

Almost surely, 2^242420002 is an apocalyptic number.

242420002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242420002 is a deficient number, since it is larger than the sum of its proper divisors (154907390).

242420002 is a wasteful number, since it uses less digits than its factorization.

242420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17793.

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

The square root of 242420002 is about 15569.8427095459. The cubic root of 242420002 is about 623.5282721878.

Adding to 242420002 its reverse (200024242), we get a palindrome (442444244).

The spelling of 242420002 in words is "two hundred forty-two million, four hundred twenty thousand, two".