2020278 has 32 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 609696.

The previous prime is 2020261. The next prime is 2020279. The reversal of 2020278 is 8720202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4383 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (138600).

2^2020278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2217600).

2020278 is an abundant number, since it is smaller than the sum of its proper divisors (2414922).

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

2020278 is a wasteful number, since it uses less digits than its factorization.

2020278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2020278 is about 1421.3648370492. The cubic root of 2020278 is about 126.4164852584.

The spelling of 2020278 in words is "two million, twenty thousand, two hundred seventy-eight".