662530220 has 48 divisors (see below), whose sum is σ = 1519596288. Its totient is φ = 240634560.

The previous prime is 662530213. The next prime is 662530241. The reversal of 662530220 is 22035266.

It is a self number, because there is not a number n which added to its sum of digits gives 662530220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299639 + ... + 301841.

It is an arithmetic number, because the mean of its divisors is an integer number (31658256).

Almost surely, 2^662530220 is an apocalyptic number.

It is an amenable number.

662530220 is an abundant number, since it is smaller than the sum of its proper divisors (857066068).

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

662530220 is a wasteful number, since it uses less digits than its factorization.

662530220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3588 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 662530220 is about 25739.6623909483. The cubic root of 662530220 is about 871.7699555191.

Adding to 662530220 its reverse (22035266), we get a palindrome (684565486).

The spelling of 662530220 in words is "six hundred sixty-two million, five hundred thirty thousand, two hundred twenty".