6201220 has 24 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 2349792.

The previous prime is 6201203. The next prime is 6201229. The reversal of 6201220 is 221026.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6201220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7780 + ... + 8539.

It is an arithmetic number, because the mean of its divisors is an integer number (571200).

Almost surely, 2^6201220 is an apocalyptic number.

It is an amenable number.

6201220 is an abundant number, since it is smaller than the sum of its proper divisors (7507580).

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

6201220 is a wasteful number, since it uses less digits than its factorization.

6201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16347 (or 16345 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 6201220 is about 2490.2248894427. The cubic root of 6201220 is about 183.7211039449.

Adding to 6201220 its reverse (221026), we get a palindrome (6422246).

The spelling of 6201220 in words is "six million, two hundred one thousand, two hundred twenty".