4660020 has 36 divisors (see below), whose sum is σ = 14135940. Its totient is φ = 1242624.

The previous prime is 4660009. The next prime is 4660043. The reversal of 4660020 is 200664.

4660020 is a `hidden beast` number, since 4 + 660 + 0 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3305124 + 1354896 = 1818^2 + 1164^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4659975 and 4660002.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 12765 + ... + 13124.

It is an arithmetic number, because the mean of its divisors is an integer number (392665).

Almost surely, 2^4660020 is an apocalyptic number.

It is an amenable number.

4660020 is an abundant number, since it is smaller than the sum of its proper divisors (9475920).

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

4660020 is a wasteful number, since it uses less digits than its factorization.

4660020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25904 (or 25899 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4660020 is about 2158.7079468979. The cubic root of 4660020 is about 167.0305560400.

Adding to 4660020 its reverse (200664), we get a palindrome (4860684).

The spelling of 4660020 in words is "four million, six hundred sixty thousand, twenty".