620630600 has 48 divisors (see below), whose sum is σ = 1481982900. Its totient is φ = 241539840.

The previous prime is 620630599. The next prime is 620630609. The reversal of 620630600 is 6036026.

It can be written as a sum of positive squares in 6 ways, for example, as 231831076 + 388799524 = 15226^2 + 19718^2 .

It is not an unprimeable number, because it can be changed into a prime (620630609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34535 + ... + 49334.

Almost surely, 2^620630600 is an apocalyptic number.

It is an amenable number.

620630600 is an abundant number, since it is smaller than the sum of its proper divisors (861352300).

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

620630600 is a wasteful number, since it uses less digits than its factorization.

620630600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83922 (or 83913 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 620630600 is about 24912.4587305228. The cubic root of 620630600 is about 852.9908938215.

Adding to 620630600 its reverse (6036026), we get a palindrome (626666626).

The spelling of 620630600 in words is "six hundred twenty million, six hundred thirty thousand, six hundred".