220730510 has 64 divisors (see below), whose sum is σ = 533481984. Its totient is φ = 63504000.

The previous prime is 220730501. The next prime is 220730557. The reversal of 220730510 is 15037022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1016 + ... + 21035.

It is an arithmetic number, because the mean of its divisors is an integer number (8335656).

Almost surely, 2^220730510 is an apocalyptic number.

220730510 is an abundant number, since it is smaller than the sum of its proper divisors (312751474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220730510 is a wasteful number, since it uses less digits than its factorization.

220730510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22089.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 220730510 is about 14857.0020529042. The cubic root of 220730510 is about 604.3485098185.

Adding to 220730510 its reverse (15037022), we get a palindrome (235767532).

The spelling of 220730510 in words is "two hundred twenty million, seven hundred thirty thousand, five hundred ten".