2009020 has 24 divisors (see below), whose sum is σ = 4544064. Its totient is φ = 741696.

The previous prime is 2009011. The next prime is 2009039. The reversal of 2009020 is 209002.

It is a super-2 number, since 2×2009020² = 8072322720800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 3604 + ... + 4123.

It is an arithmetic number, because the mean of its divisors is an integer number (189336).

2^2009020 is an apocalyptic number.

2009020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2009020 is an abundant number, since it is smaller than the sum of its proper divisors (2535044).

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

2009020 is a wasteful number, since it uses less digits than its factorization.

2009020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7749 (or 7747 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2009020 is about 1417.3990263860. The cubic root of 2009020 is about 126.1812290884.

The spelling of 2009020 in words is "two million, nine thousand, twenty".