6552020 has 24 divisors (see below), whose sum is σ = 13928544. Its totient is φ = 2588576.

The previous prime is 6552011. The next prime is 6552047. The reversal of 6552020 is 202556.

It is a happy number.

It is a super-3 number, since 3×6552020³ (a number of 21 digits) contains 333 as substring.

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 = 6551983 and 6552001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (580356).

Almost surely, 2^6552020 is an apocalyptic number.

It is an amenable number.

6552020 is an abundant number, since it is smaller than the sum of its proper divisors (7376524).

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

6552020 is a wasteful number, since it uses less digits than its factorization.

6552020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 6552020 is about 2559.6913876481. The cubic root of 6552020 is about 187.1220951436.

Adding to 6552020 its reverse (202556), we get a palindrome (6754576).

It can be divided in two parts, 65 and 52020, that multiplied together give a triangular number (3381300 = T₂₆₀₀).

The spelling of 6552020 in words is "six million, five hundred fifty-two thousand, twenty".