2028020 has 24 divisors (see below), whose sum is σ = 4397568. Its totient is φ = 784800.

The previous prime is 2028017. The next prime is 2028053. The reversal of 2028020 is 208202.

It is a super-2 number, since 2×2028020² = 8225730240800, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2027986 and 2028004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (183232).

2^2028020 is an apocalyptic number.

2028020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2028020 is an abundant number, since it is smaller than the sum of its proper divisors (2369548).

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

2028020 is a wasteful number, since it uses less digits than its factorization.

2028020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311 (or 3309 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2028020 is about 1424.0856715802. The cubic root of 2028020 is about 126.5777615595.

The spelling of 2028020 in words is "two million, twenty-eight thousand, twenty".