660420300 has 36 divisors (see below), whose sum is σ = 1910816936. Its totient is φ = 176112000.

The previous prime is 660420283. The next prime is 660420323. The reversal of 660420300 is 3024066.

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 11 ways as a sum of consecutive naturals, for example, 1100401 + ... + 1101000.

Almost surely, 2^660420300 is an apocalyptic number.

660420300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

660420300 is an abundant number, since it is smaller than the sum of its proper divisors (1250396636).

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

660420300 is a wasteful number, since it uses less digits than its factorization.

660420300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201418 (or 2201411 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 660420300 is about 25698.6439330950. The cubic root of 660420300 is about 870.8435470110.

Adding to 660420300 its reverse (3024066), we get a palindrome (663444366).

The spelling of 660420300 in words is "six hundred sixty million, four hundred twenty thousand, three hundred".