220130331 has 16 divisors (see below), whose sum is σ = 311445504. Its totient is φ = 137821824.

The previous prime is 220130327. The next prime is 220130341. The reversal of 220130331 is 133031022.

It is not a de Polignac number, because 220130331 - 2² = 220130327 is a prime.

It is a super-2 number, since 2×220130331² = 96914725252339122, 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 220130331.

It is not an unprimeable number, because it can be changed into a prime (220130311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20406 + ... + 29268.

It is an arithmetic number, because the mean of its divisors is an integer number (19465344).

Almost surely, 2^220130331 is an apocalyptic number.

220130331 is a deficient number, since it is larger than the sum of its proper divisors (91315173).

220130331 is a wasteful number, since it uses less digits than its factorization.

220130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9370.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 220130331 is about 14836.7897808118. The cubic root of 220130331 is about 603.8002597804.

Adding to 220130331 its reverse (133031022), we get a palindrome (353161353).

The spelling of 220130331 in words is "two hundred twenty million, one hundred thirty thousand, three hundred thirty-one".