4590020 has 48 divisors (see below), whose sum is σ = 10402560. Its totient is φ = 1695744.

The previous prime is 4590013. The next prime is 4590029. The reversal of 4590020 is 200954.

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 = 4589974 and 4590001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4590029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17732 + ... + 17988.

It is an arithmetic number, because the mean of its divisors is an integer number (216720).

Almost surely, 2^4590020 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 4590020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5201280).

4590020 is an abundant number, since it is smaller than the sum of its proper divisors (5812540).

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

4590020 is a wasteful number, since it uses less digits than its factorization.

4590020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4590020 is about 2142.4331961581. The cubic root of 4590020 is about 166.1899890817.

Adding to 4590020 its reverse (200954), we get a palindrome (4790974).

The spelling of 4590020 in words is "four million, five hundred ninety thousand, twenty".