220334020 has 48 divisors (see below), whose sum is σ = 484662528. Its totient is φ = 83980160.

The previous prime is 220333999. The next prime is 220334027. The reversal of 220334020 is 20433022.

It is a junction number, because it is equal to n+sod(n) for n = 220333985 and 220334003.

It is not an unprimeable number, because it can be changed into a prime (220334027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145065 + ... + 146575.

It is an arithmetic number, because the mean of its divisors is an integer number (10097136).

Almost surely, 2^220334020 is an apocalyptic number.

220334020 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 220334020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242331264).

220334020 is an abundant number, since it is smaller than the sum of its proper divisors (264328508).

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

220334020 is a wasteful number, since it uses less digits than its factorization.

220334020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 220334020 is about 14843.6525154694. The cubic root of 220334020 is about 603.9864366938.

Adding to 220334020 its reverse (20433022), we get a palindrome (240767042).

The spelling of 220334020 in words is "two hundred twenty million, three hundred thirty-four thousand, twenty".