2020822 has 4 divisors (see below), whose sum is σ = 3031236. Its totient is φ = 1010410.

The previous prime is 2020819. The next prime is 2020831. The reversal of 2020822 is 2280202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2280202 = 2 ⋅1140101.

It is a junction number, because it is equal to n+sod(n) for n = 2020796 and 2020805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505204 + ... + 505207.

It is an arithmetic number, because the mean of its divisors is an integer number (757809).

2^2020822 is an apocalyptic number.

2020822 is a deficient number, since it is larger than the sum of its proper divisors (1010414).

2020822 is a wasteful number, since it uses less digits than its factorization.

2020822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010413.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2020822 is about 1421.5561895331. The cubic root of 2020822 is about 126.4278309571.

The spelling of 2020822 in words is "two million, twenty thousand, eight hundred twenty-two".