2020628 has 6 divisors (see below), whose sum is σ = 3536106. Its totient is φ = 1010312.

The previous prime is 2020621. The next prime is 2020657. The reversal of 2020628 is 8260202.

It can be written as a sum of positive squares in only one way, i.e., 1044484 + 976144 = 1022^2 + 988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020621) by changing a digit.

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 as a sum of consecutive naturals, namely, 252575 + ... + 252582.

It is an arithmetic number, because the mean of its divisors is an integer number (589351).

2^2020628 is an apocalyptic number.

It is an amenable number.

2020628 is a deficient number, since it is larger than the sum of its proper divisors (1515478).

2020628 is a wasteful number, since it uses less digits than its factorization.

2020628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505161 (or 505159 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2020628 is about 1421.4879528156. The cubic root of 2020628 is about 126.4237851143.

The spelling of 2020628 in words is "two million, twenty thousand, six hundred twenty-eight".