670417220 has 24 divisors (see below), whose sum is σ = 1535865408. Its totient is φ = 243788000.

The previous prime is 670417217. The next prime is 670417243. The reversal of 670417220 is 22714076.

670417220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523456 + ... + 1523895.

It is an arithmetic number, because the mean of its divisors is an integer number (63994392).

Almost surely, 2^670417220 is an apocalyptic number.

It is an amenable number.

670417220 is an abundant number, since it is smaller than the sum of its proper divisors (865448188).

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

670417220 is a wasteful number, since it uses less digits than its factorization.

670417220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047371 (or 3047369 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 670417220 is about 25892.4162642269. The cubic root of 670417220 is about 875.2156072764.

The spelling of 670417220 in words is "six hundred seventy million, four hundred seventeen thousand, two hundred twenty".