602002420 has 24 divisors (see below), whose sum is σ = 1276726248. Its totient is φ = 238416000.

The previous prime is 602002417. The next prime is 602002439. The reversal of 602002420 is 24200206.

It can be written as a sum of positive squares in 4 ways, for example, as 116769636 + 485232784 = 10806^2 + 22028^2 .

It is a junction number, because it is equal to n+sod(n) for n = 602002394 and 602002403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146991 + ... + 151030.

It is an arithmetic number, because the mean of its divisors is an integer number (53196927).

Almost surely, 2^602002420 is an apocalyptic number.

It is an amenable number.

602002420 is an abundant number, since it is smaller than the sum of its proper divisors (674723828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

602002420 is a wasteful number, since it uses less digits than its factorization.

602002420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298131 (or 298129 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 602002420 is about 24535.7376086394. The cubic root of 602002420 is about 844.3699047907.

Adding to 602002420 its reverse (24200206), we get a palindrome (626202626).

The spelling of 602002420 in words is "six hundred two million, two thousand, four hundred twenty".