670552220 has 48 divisors (see below), whose sum is σ = 1518507648. Its totient is φ = 247257600.

The previous prime is 670552219. The next prime is 670552247. The reversal of 670552220 is 22255076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284045 + ... + 286395.

It is an arithmetic number, because the mean of its divisors is an integer number (31635576).

Almost surely, 2^670552220 is an apocalyptic number.

It is an amenable number.

670552220 is an abundant number, since it is smaller than the sum of its proper divisors (847955428).

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

670552220 is a wasteful number, since it uses less digits than its factorization.

670552220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 670552220 is about 25895.0230739422. The cubic root of 670552220 is about 875.2743498890.

The spelling of 670552220 in words is "six hundred seventy million, five hundred fifty-two thousand, two hundred twenty".