220231803 has 8 divisors (see below), whose sum is σ = 320337216. Its totient is φ = 133473800.

The previous prime is 220231799. The next prime is 220231861. The reversal of 220231803 is 308132022.

220231803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220231803 - 2² = 220231799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220231803.

It is not an unprimeable number, because it can be changed into a prime (220231103) 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, 3336813 + ... + 3336878.

It is an arithmetic number, because the mean of its divisors is an integer number (40042152).

Almost surely, 2^220231803 is an apocalyptic number.

220231803 is a deficient number, since it is larger than the sum of its proper divisors (100105413).

220231803 is a wasteful number, since it uses less digits than its factorization.

220231803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673705.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 220231803 is about 14840.2089944852. The cubic root of 220231803 is about 603.8930221118.

Adding to 220231803 its reverse (308132022), we get a palindrome (528363825).

The spelling of 220231803 in words is "two hundred twenty million, two hundred thirty-one thousand, eight hundred three".