680267020 has 12 divisors (see below), whose sum is σ = 1428560784. Its totient is φ = 272106800.

The previous prime is 680266987. The next prime is 680267023. The reversal of 680267020 is 20762086.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (680267023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17006656 + ... + 17006695.

It is an arithmetic number, because the mean of its divisors is an integer number (119046732).

Almost surely, 2^680267020 is an apocalyptic number.

It is an amenable number.

680267020 is an abundant number, since it is smaller than the sum of its proper divisors (748293764).

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

680267020 is a wasteful number, since it uses less digits than its factorization.

680267020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34013360 (or 34013358 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 680267020 is about 26081.9289930787. The cubic root of 680267020 is about 879.4810214728.

The spelling of 680267020 in words is "six hundred eighty million, two hundred sixty-seven thousand, twenty".