670824020 has 12 divisors (see below), whose sum is σ = 1408730484. Its totient is φ = 268329600.

The previous prime is 670824019. The next prime is 670824043. The reversal of 670824020 is 20428076.

It can be written as a sum of positive squares in 2 ways, for example, as 128958736 + 541865284 = 11356^2 + 23278^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16770581 + ... + 16770620.

It is an arithmetic number, because the mean of its divisors is an integer number (117394207).

Almost surely, 2^670824020 is an apocalyptic number.

It is an amenable number.

670824020 is an abundant number, since it is smaller than the sum of its proper divisors (737906464).

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

670824020 is a wasteful number, since it uses less digits than its factorization.

670824020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33541210 (or 33541208 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 670824020 is about 25900.2706549565. The cubic root of 670824020 is about 875.3925944369.

The spelling of 670824020 in words is "six hundred seventy million, eight hundred twenty-four thousand, twenty".