602404020 has 96 divisors (see below), whose sum is σ = 1886976000. Its totient is φ = 159541632.

The previous prime is 602404009. The next prime is 602404039. The reversal of 602404020 is 20404206.

602404020 is a `hidden beast` number, since 602 + 4 + 0 + 40 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 602403984 and 602404002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76717 + ... + 84203.

It is an arithmetic number, because the mean of its divisors is an integer number (19656000).

Almost surely, 2^602404020 is an apocalyptic number.

602404020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 602404020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943488000).

602404020 is an abundant number, since it is smaller than the sum of its proper divisors (1284571980).

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

602404020 is a wasteful number, since it uses less digits than its factorization.

602404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654 (or 7646 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 602404020 is about 24543.9202247726. The cubic root of 602404020 is about 844.5576247319.

Adding to 602404020 its reverse (20404206), we get a palindrome (622808226).

The spelling of 602404020 in words is "six hundred two million, four hundred four thousand, twenty".