2090020 has 24 divisors (see below), whose sum is σ = 4531968. Its totient is φ = 808800.

The previous prime is 2090017. The next prime is 2090021. The reversal of 2090020 is 200902.

It is not an unprimeable number, because it can be changed into a prime (2090021) 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 in 7 ways as a sum of consecutive naturals, for example, 1066 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (188832).

2^2090020 is an apocalyptic number.

2090020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090020 is an abundant number, since it is smaller than the sum of its proper divisors (2441948).

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

2090020 is a wasteful number, since it uses less digits than its factorization.

2090020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3409 counting only the distinct ones).

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

The square root of 2090020 is about 1445.6901466082. The cubic root of 2090020 is about 127.8547342905.

Adding to 2090020 its reverse (200902), we get a palindrome (2290922).

The spelling of 2090020 in words is "two million, ninety thousand, twenty".