220332031 has 8 divisors (see below), whose sum is σ = 224990784. Its totient is φ = 215717760.

The previous prime is 220332017. The next prime is 220332041. The reversal of 220332031 is 130233022.

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 220332031 - 2¹³ = 220323839 is a prime.

It is a super-2 number, since 2×220332031² = 97092407769169922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220331996 and 220332014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220332041) 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, 1015 + ... + 21016.

It is an arithmetic number, because the mean of its divisors is an integer number (28123848).

Almost surely, 2^220332031 is an apocalyptic number.

220332031 is a deficient number, since it is larger than the sum of its proper divisors (4658753).

220332031 is a wasteful number, since it uses less digits than its factorization.

220332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22241.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 220332031 is about 14843.5855169834. The cubic root of 220332031 is about 603.9846192522.

Adding to 220332031 its reverse (130233022), we get a palindrome (350565053).

Subtracting from 220332031 its reverse (130233022), we obtain a palindrome (90099009).

The spelling of 220332031 in words is "two hundred twenty million, three hundred thirty-two thousand, thirty-one".