670006220 has 48 divisors (see below), whose sum is σ = 1550508960. Its totient is φ = 241629696.

The previous prime is 670006217. The next prime is 670006223. The reversal of 670006220 is 22600076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (670006217) and next prime (670006223).

It is not an unprimeable number, because it can be changed into a prime (670006223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18785 + ... + 41144.

It is an arithmetic number, because the mean of its divisors is an integer number (32302270).

Almost surely, 2^670006220 is an apocalyptic number.

It is an amenable number.

670006220 is an abundant number, since it is smaller than the sum of its proper divisors (880502740).

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

670006220 is a wasteful number, since it uses less digits than its factorization.

670006220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59994 (or 59992 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 670006220 is about 25884.4783605929. The cubic root of 670006220 is about 875.0367200916.

Adding to 670006220 its reverse (22600076), we get a palindrome (692606296).

The spelling of 670006220 in words is "six hundred seventy million, six thousand, two hundred twenty".