220222020 has 96 divisors (see below), whose sum is σ = 631346688. Its totient is φ = 57341952.

The previous prime is 220222019. The next prime is 220222021. The reversal of 220222020 is 20222022.

It is an interprime number because it is at equal distance from previous prime (220222019) and next prime (220222021).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220221987 and 220222005.

It is not an unprimeable number, because it can be changed into a prime (220222021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599877 + ... + 600243.

It is an arithmetic number, because the mean of its divisors is an integer number (6576528).

Almost surely, 2^220222020 is an apocalyptic number.

220222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315673344).

220222020 is an abundant number, since it is smaller than the sum of its proper divisors (411124668).

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

220222020 is a wasteful number, since it uses less digits than its factorization.

220222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 220222020 is about 14839.8793795637. The cubic root of 220222020 is about 603.8840800595.

Adding to 220222020 its reverse (20222022), we get a palindrome (240444042).

It can be divided in two parts, 22022 and 2020, that added together give a palindrome (24042).

The spelling of 220222020 in words is "two hundred twenty million, two hundred twenty-two thousand, twenty".