2650220 has 12 divisors (see below), whose sum is σ = 5565504. Its totient is φ = 1060080.

The previous prime is 2650211. The next prime is 2650229. The reversal of 2650220 is 220562.

It is an interprime number because it is at equal distance from previous prime (2650211) and next prime (2650229).

It is not an unprimeable number, because it can be changed into a prime (2650229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66236 + ... + 66275.

It is an arithmetic number, because the mean of its divisors is an integer number (463792).

2^2650220 is an apocalyptic number.

2650220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650220 is an abundant number, since it is smaller than the sum of its proper divisors (2915284).

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

2650220 is a wasteful number, since it uses less digits than its factorization.

2650220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132520 (or 132518 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2650220 is about 1627.9496306704. The cubic root of 2650220 is about 138.3865797182.

Adding to 2650220 its reverse (220562), we get a palindrome (2870782).

The spelling of 2650220 in words is "two million, six hundred fifty thousand, two hundred twenty".