604611020 has 72 divisors (see below), whose sum is σ = 1387907136. Its totient is φ = 221125632.

The previous prime is 604611013. The next prime is 604611047. The reversal of 604611020 is 20116406.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 604610983 and 604611001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381149 + ... + 382731.

It is an arithmetic number, because the mean of its divisors is an integer number (19276488).

Almost surely, 2^604611020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 604611020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693953568).

604611020 is an abundant number, since it is smaller than the sum of its proper divisors (783296116).

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

604611020 is a wasteful number, since it uses less digits than its factorization.

604611020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 604611020 is about 24588.8393382038. The cubic root of 604611020 is about 845.5877567596.

Adding to 604611020 its reverse (20116406), we get a palindrome (624727426).

The spelling of 604611020 in words is "six hundred four million, six hundred eleven thousand, twenty".