2020650 has 48 divisors (see below), whose sum is σ = 5282400. Its totient is φ = 509760.

The previous prime is 2020621. The next prime is 2020657. The reversal of 2020650 is 560202.

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

It is not an unprimeable number, because it can be changed into a prime (2020657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2496 + ... + 3204.

It is an arithmetic number, because the mean of its divisors is an integer number (110050).

2^2020650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2641200).

2020650 is an abundant number, since it is smaller than the sum of its proper divisors (3261750).

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

2020650 is a wasteful number, since it uses less digits than its factorization.

2020650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2020650 is about 1421.4956911648. The cubic root of 2020650 is about 126.4242439343.

Adding to 2020650 its reverse (560202), we get a palindrome (2580852).

The spelling of 2020650 in words is "two million, twenty thousand, six hundred fifty".