683321020 has 24 divisors (see below), whose sum is σ = 1436425200. Its totient is φ = 273052032.

The previous prime is 683321017. The next prime is 683321071. The reversal of 683321020 is 20123386.

It is a congruent number.

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, 3616 + ... + 37144.

It is an arithmetic number, because the mean of its divisors is an integer number (59851050).

Almost surely, 2^683321020 is an apocalyptic number.

It is an amenable number.

683321020 is an abundant number, since it is smaller than the sum of its proper divisors (753104180).

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

683321020 is a wasteful number, since it uses less digits than its factorization.

683321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34557 (or 34555 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 683321020 is about 26140.4097136981. The cubic root of 683321020 is about 880.7951748524.

The spelling of 683321020 in words is "six hundred eighty-three million, three hundred twenty-one thousand, twenty".