220130312 has 24 divisors (see below), whose sum is σ = 423082650. Its totient is φ = 107374080.

The previous prime is 220130311. The next prime is 220130321. The reversal of 220130312 is 213031022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 54081316 + 166048996 = 7354^2 + 12886^2 .

It is a super-2 number, since 2×220130312² = 96914708522434688, which contains 22 as substring.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5264 + ... + 21632.

Almost surely, 2^220130312 is an apocalyptic number.

It is an amenable number.

220130312 is a deficient number, since it is larger than the sum of its proper divisors (202952338).

220130312 is a wasteful number, since it uses less digits than its factorization.

220130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16457 (or 16412 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 220130312 is about 14836.7891405115. The cubic root of 220130312 is about 603.8002424086.

Adding to 220130312 its reverse (213031022), we get a palindrome (433161334).

The spelling of 220130312 in words is "two hundred twenty million, one hundred thirty thousand, three hundred twelve".