2067820 has 12 divisors (see below), whose sum is σ = 4342464. Its totient is φ = 827120.

The previous prime is 2067811. The next prime is 2067823. The reversal of 2067820 is 287602.

It is not an unprimeable number, because it can be changed into a prime (2067823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51676 + ... + 51715.

It is an arithmetic number, because the mean of its divisors is an integer number (361872).

2^2067820 is an apocalyptic number.

2067820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2067820 is an abundant number, since it is smaller than the sum of its proper divisors (2274644).

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

2067820 is a wasteful number, since it uses less digits than its factorization.

2067820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103400 (or 103398 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2067820 is about 1437.9916550523. The cubic root of 2067820 is about 127.4004348929.

The spelling of 2067820 in words is "two million, sixty-seven thousand, eight hundred twenty".