220147930 has 16 divisors (see below), whose sum is σ = 402181920. Its totient is φ = 86744592.

The previous prime is 220147913. The next prime is 220147981. The reversal of 220147930 is 39741022.

It is a super-2 number, since 2×220147930² = 96930222166569800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163620 + ... + 164959.

It is an arithmetic number, because the mean of its divisors is an integer number (25136370).

Almost surely, 2^220147930 is an apocalyptic number.

220147930 is a deficient number, since it is larger than the sum of its proper divisors (182033990).

220147930 is a wasteful number, since it uses less digits than its factorization.

220147930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328653.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 220147930 is about 14837.3828554769. The cubic root of 220147930 is about 603.8163502446.

Adding to 220147930 its reverse (39741022), we get a palindrome (259888952).

The spelling of 220147930 in words is "two hundred twenty million, one hundred forty-seven thousand, nine hundred thirty".