220433020 has 24 divisors (see below), whose sum is σ = 465315984. Its totient is φ = 87714816.

The previous prime is 220432997. The next prime is 220433021. The reversal of 220433020 is 20334022.

220433020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220432985 and 220433003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220433021) 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, 24694 + ... + 32413.

It is an arithmetic number, because the mean of its divisors is an integer number (19388166).

Almost surely, 2^220433020 is an apocalyptic number.

220433020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220433020 is an abundant number, since it is smaller than the sum of its proper divisors (244882964).

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

220433020 is a wasteful number, since it uses less digits than its factorization.

220433020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57309 (or 57307 counting only the distinct ones).

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

The square root of 220433020 is about 14846.9868997046. The cubic root of 220433020 is about 604.0768837703.

Adding to 220433020 its reverse (20334022), we get a palindrome (240767042).

It can be divided in two parts, 2204 and 33020, that multiplied together give a triangular number (72776080 = T₁₂₀₆₄).

The spelling of 220433020 in words is "two hundred twenty million, four hundred thirty-three thousand, twenty".