680206632 has 48 divisors (see below), whose sum is σ = 1978155360. Its totient is φ = 194344416.

The previous prime is 680206613. The next prime is 680206633. The reversal of 680206632 is 236602086.

It is a junction number, because it is equal to n+sod(n) for n = 680206593 and 680206602.

It is not an unprimeable number, because it can be changed into a prime (680206633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288028 + ... + 290379.

It is an arithmetic number, because the mean of its divisors is an integer number (41211570).

Almost surely, 2^680206632 is an apocalyptic number.

It is an amenable number.

680206632 is an abundant number, since it is smaller than the sum of its proper divisors (1297948728).

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

680206632 is a wasteful number, since it uses less digits than its factorization.

680206632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578430 (or 578419 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 680206632 is about 26080.7713076128. The cubic root of 680206632 is about 879.4549965590.

The spelling of 680206632 in words is "six hundred eighty million, two hundred six thousand, six hundred thirty-two".