2019020 has 24 divisors (see below), whose sum is σ = 4273584. Its totient is φ = 801216.

The previous prime is 2019019. The next prime is 2019023. The reversal of 2019020 is 209102.

It is a junction number, because it is equal to n+sod(n) for n = 2018986 and 2019004.

It is not an unprimeable number, because it can be changed into a prime (2019023) 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 7 ways as a sum of consecutive naturals, for example, 2819 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (178066).

2^2019020 is an apocalyptic number.

2019020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2019020 is an abundant number, since it is smaller than the sum of its proper divisors (2254564).

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

2019020 is a wasteful number, since it uses less digits than its factorization.

2019020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2019020 is about 1420.9222357328. The cubic root of 2019020 is about 126.3902405273.

The spelling of 2019020 in words is "two million, nineteen thousand, twenty".