2064820 has 24 divisors (see below), whose sum is σ = 4591944. Its totient is φ = 777216.

The previous prime is 2064809. The next prime is 2064833. The reversal of 2064820 is 284602.

It can be written as a sum of positive squares in 4 ways, for example, as 872356 + 1192464 = 934^2 + 1092^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2064791 and 2064800.

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 7 ways as a sum of consecutive naturals, for example, 2697 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (191331).

2^2064820 is an apocalyptic number.

2064820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064820 is an abundant number, since it is smaller than the sum of its proper divisors (2527124).

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

2064820 is a wasteful number, since it uses less digits than its factorization.

2064820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099 (or 6097 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2064820 is about 1436.9481549451. The cubic root of 2064820 is about 127.3387940849.

The spelling of 2064820 in words is "two million, sixty-four thousand, eight hundred twenty".