220241031 has 8 divisors (see below), whose sum is σ = 306422400. Its totient is φ = 140443512.

The previous prime is 220241029. The next prime is 220241039. The reversal of 220241031 is 130142022.

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

It is not a de Polignac number, because 220241031 - 2¹ = 220241029 is a prime.

It is a super-2 number, since 2×220241031² = 97012223471885922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220241031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220241039) 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, 1595881 + ... + 1596018.

It is an arithmetic number, because the mean of its divisors is an integer number (38302800).

Almost surely, 2^220241031 is an apocalyptic number.

220241031 is a deficient number, since it is larger than the sum of its proper divisors (86181369).

220241031 is a wasteful number, since it uses less digits than its factorization.

220241031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191925.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220241031 is about 14840.5199032918. The cubic root of 220241031 is about 603.9014566293.

Adding to 220241031 its reverse (130142022), we get a palindrome (350383053).

Subtracting from 220241031 its reverse (130142022), we obtain a palindrome (90099009).

The spelling of 220241031 in words is "two hundred twenty million, two hundred forty-one thousand, thirty-one".