2220240220 has 24 divisors (see below), whose sum is σ = 5086369008. Its totient is φ = 807360000.

The previous prime is 2220240179. The next prime is 2220240227. The reversal of 2220240220 is 220420222.

It is a junction number, because it is equal to n+sod(n) for n = 2220240194 and 2220240203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220240227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045781 + ... + 5046220.

It is an arithmetic number, because the mean of its divisors is an integer number (211932042).

Almost surely, 2^2220240220 is an apocalyptic number.

2220240220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220240220 is an abundant number, since it is smaller than the sum of its proper divisors (2866128788).

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

2220240220 is a wasteful number, since it uses less digits than its factorization.

2220240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092021 (or 10092019 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2220240220 is about 47119.4250813823. The cubic root of 2220240220 is about 1304.5678011724.

Adding to 2220240220 its reverse (220420222), we get a palindrome (2440660442).

The spelling of 2220240220 in words is "two billion, two hundred twenty million, two hundred forty thousand, two hundred twenty".