670122200 has 72 divisors (see below), whose sum is σ = 1712611740. Its totient is φ = 243672000.

The previous prime is 670122199. The next prime is 670122217. The reversal of 670122200 is 2221076.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10355 + ... + 38045.

Almost surely, 2^670122200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856305870).

670122200 is an abundant number, since it is smaller than the sum of its proper divisors (1042489540).

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

670122200 is a wasteful number, since it uses less digits than its factorization.

670122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27729 (or 27709 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 670122200 is about 25886.7186024030. The cubic root of 670122200 is about 875.0872076346.

Adding to 670122200 its reverse (2221076), we get a palindrome (672343276).

The spelling of 670122200 in words is "six hundred seventy million, one hundred twenty-two thousand, two hundred".