662000057220 has 96 divisors (see below), whose sum is σ = 1918736709120. Its totient is φ = 170337610240.

The previous prime is 662000057207. The next prime is 662000057239. The reversal of 662000057220 is 22750000266.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 2634250 + ... + 2874590.

It is an arithmetic number, because the mean of its divisors is an integer number (19986840720).

Almost surely, 2^662000057220 is an apocalyptic number.

662000057220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662000057220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959368354560).

662000057220 is an abundant number, since it is smaller than the sum of its proper divisors (1256736651900).

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

662000057220 is a wasteful number, since it uses less digits than its factorization.

662000057220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241965 (or 241963 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 662000057220 its reverse (22750000266), we get a palindrome (684750057486).

The spelling of 662000057220 in words is "six hundred sixty-two billion, fifty-seven thousand, two hundred twenty".