4561020 has 36 divisors (see below), whose sum is σ = 13835640. Its totient is φ = 1216224.

The previous prime is 4561009. The next prime is 4561043. The reversal of 4561020 is 201654.

It is a happy number.

4561020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 junction number, because it is equal to n+sod(n) for n = 4560984 and 4561002.

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, 12490 + ... + 12849.

Almost surely, 2^4561020 is an apocalyptic number.

It is an amenable number.

4561020 is an abundant number, since it is smaller than the sum of its proper divisors (9274620).

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

4561020 is a wasteful number, since it uses less digits than its factorization.

4561020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25354 (or 25349 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4561020 is about 2135.6544664341. The cubic root of 4561020 is about 165.8392502006.

Adding to 4561020 its reverse (201654), we get a palindrome (4762674).

The spelling of 4561020 in words is "four million, five hundred sixty-one thousand, twenty".