2090220 has 48 divisors (see below), whose sum is σ = 6386688. Its totient is φ = 506560.

The previous prime is 2090219. The next prime is 2090227. The reversal of 2090220 is 220902.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2090220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2^2090220 is an apocalyptic number.

2090220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090220 is an abundant number, since it is smaller than the sum of its proper divisors (4296468).

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

2090220 is a wasteful number, since it uses less digits than its factorization.

2090220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2090220 is about 1445.7593160689. The cubic root of 2090220 is about 127.8588124224.

The spelling of 2090220 in words is "two million, ninety thousand, two hundred twenty".