220233020 has 96 divisors (see below), whose sum is σ = 547803648. Its totient is φ = 72813312.

The previous prime is 220233019. The next prime is 220233037. The reversal of 220233020 is 20332022.

220233020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 220232986 and 220233004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496919 + ... + 497361.

It is an arithmetic number, because the mean of its divisors is an integer number (5706288).

Almost surely, 2^220233020 is an apocalyptic number.

220233020 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 220233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273901824).

220233020 is an abundant number, since it is smaller than the sum of its proper divisors (327570628).

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

220233020 is a wasteful number, since it uses less digits than its factorization.

220233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 220233020 is about 14840.2499978942. The cubic root of 220233020 is about 603.8941344798.

Adding to 220233020 its reverse (20332022), we get a palindrome (240565042).

The spelling of 220233020 in words is "two hundred twenty million, two hundred thirty-three thousand, twenty".