220003232331 has 4 divisors (see below), whose sum is σ = 293337643112. Its totient is φ = 146668821552.

The previous prime is 220003232303. The next prime is 220003232347. The reversal of 220003232331 is 133232300022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 220003232331 - 2¹⁰ = 220003231307 is a prime.

It is a super-2 number, since 2×220003232331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220003232298 and 220003232307.

It is not an unprimeable number, because it can be changed into a prime (220003237331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36667205386 + ... + 36667205391.

It is an arithmetic number, because the mean of its divisors is an integer number (73334410778).

Almost surely, 2^220003232331 is an apocalyptic number.

220003232331 is a deficient number, since it is larger than the sum of its proper divisors (73334410781).

220003232331 is an equidigital number, since it uses as much as digits as its factorization.

220003232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73334410780.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 220003232331 its reverse (133232300022), we get a palindrome (353235532353).

The spelling of 220003232331 in words is "two hundred twenty billion, three million, two hundred thirty-two thousand, three hundred thirty-one".