627820020 has 72 divisors (see below), whose sum is σ = 1922933376. Its totient is φ = 165788352.

The previous prime is 627819971. The next prime is 627820027. The reversal of 627820020 is 20028726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627820027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1609 + ... + 35471.

It is an arithmetic number, because the mean of its divisors is an integer number (26707408).

Almost surely, 2^627820020 is an apocalyptic number.

627820020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 627820020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961466688).

627820020 is an abundant number, since it is smaller than the sum of its proper divisors (1295113356).

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

627820020 is a wasteful number, since it uses less digits than its factorization.

627820020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33981 (or 33976 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 627820020 is about 25056.3369230221. The cubic root of 627820020 is about 856.2719551797.

Adding to 627820020 its reverse (20028726), we get a palindrome (647848746).

The spelling of 627820020 in words is "six hundred twenty-seven million, eight hundred twenty thousand, twenty".