682620020 has 12 divisors (see below), whose sum is σ = 1433502084. Its totient is φ = 273048000.

The previous prime is 682619999. The next prime is 682620061. The reversal of 682620020 is 20026286.

It can be written as a sum of positive squares in 2 ways, for example, as 264908176 + 417711844 = 16276^2 + 20438^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17065481 + ... + 17065520.

It is an arithmetic number, because the mean of its divisors is an integer number (119458507).

Almost surely, 2^682620020 is an apocalyptic number.

It is an amenable number.

682620020 is an abundant number, since it is smaller than the sum of its proper divisors (750882064).

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

682620020 is a wasteful number, since it uses less digits than its factorization.

682620020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34131010 (or 34131008 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 682620020 is about 26126.9979140352. The cubic root of 682620020 is about 880.4938773865.

The spelling of 682620020 in words is "six hundred eighty-two million, six hundred twenty thousand, twenty".