6240220 has 72 divisors (see below), whose sum is σ = 15803424. Its totient is φ = 2026752.

The previous prime is 6240211. The next prime is 6240233. The reversal of 6240220 is 220426.

It is a junction number, because it is equal to n+sod(n) for n = 6240194 and 6240203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117714 + ... + 117766.

It is an arithmetic number, because the mean of its divisors is an integer number (219492).

Almost surely, 2^6240220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6240220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7901712).

6240220 is an abundant number, since it is smaller than the sum of its proper divisors (9563204).

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

6240220 is a wasteful number, since it uses less digits than its factorization.

6240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 6240220 is about 2498.0432342135. The cubic root of 6240220 is about 184.1054452318.

Adding to 6240220 its reverse (220426), we get a palindrome (6460646).

The spelling of 6240220 in words is "six million, two hundred forty thousand, two hundred twenty".