220231133 has 8 divisors (see below), whose sum is σ = 228218880. Its totient is φ = 212269680.

The previous prime is 220231103. The next prime is 220231139. The reversal of 220231133 is 331132022.

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 220231133 - 2⁶ = 220231069 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 (220231139) 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, 11348 + ... + 23858.

It is an arithmetic number, because the mean of its divisors is an integer number (28527360).

Almost surely, 2^220231133 is an apocalyptic number.

It is an amenable number.

220231133 is a deficient number, since it is larger than the sum of its proper divisors (7987747).

220231133 is a wasteful number, since it uses less digits than its factorization.

220231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13147.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 220231133 is about 14840.1864206620. The cubic root of 220231133 is about 603.8924097135.

Adding to 220231133 its reverse (331132022), we get a palindrome (551363155).

The spelling of 220231133 in words is "two hundred twenty million, two hundred thirty-one thousand, one hundred thirty-three".