220030533 has 8 divisors (see below), whose sum is σ = 325971200. Its totient is φ = 146687004.

The previous prime is 220030487. The next prime is 220030553. The reversal of 220030533 is 335030022.

220030533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-220030533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030553) 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, 4074613 + ... + 4074666.

It is an arithmetic number, because the mean of its divisors is an integer number (40746400).

Almost surely, 2^220030533 is an apocalyptic number.

It is an amenable number.

220030533 is a deficient number, since it is larger than the sum of its proper divisors (105940667).

220030533 is an equidigital number, since it uses as much as digits as its factorization.

220030533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149288 (or 8149282 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 220030533 is about 14833.4262057018. The cubic root of 220030533 is about 603.7089999549.

Adding to 220030533 its reverse (335030022), we get a palindrome (555060555).

The spelling of 220030533 in words is "two hundred twenty million, thirty thousand, five hundred thirty-three".