220331033 has 8 divisors (see below), whose sum is σ = 251237448. Its totient is φ = 191418624.

The previous prime is 220331003. The next prime is 220331039. The reversal of 220331033 is 330133022.

220331033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 220314649 = 128^2 + 14843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220331033 - 2⁶ = 220330969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220331039) 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, 498266 + ... + 498707.

It is an arithmetic number, because the mean of its divisors is an integer number (31404681).

Almost surely, 2^220331033 is an apocalyptic number.

It is an amenable number.

220331033 is a deficient number, since it is larger than the sum of its proper divisors (30906415).

220331033 is a wasteful number, since it uses less digits than its factorization.

220331033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997003.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 220331033 is about 14843.5518997307. The cubic root of 220331033 is about 603.9837073292.

Adding to 220331033 its reverse (330133022), we get a palindrome (550464055).

The spelling of 220331033 in words is "two hundred twenty million, three hundred thirty-one thousand, thirty-three".