630104020 has 96 divisors (see below), whose sum is σ = 1634282496. Its totient is φ = 198720000.

The previous prime is 630103961. The next prime is 630104053. The reversal of 630104020 is 20401036.

It is a junction number, because it is equal to n+sod(n) for n = 630103985 and 630104003.

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 31 ways as a sum of consecutive naturals, for example, 838645 + ... + 839395.

It is an arithmetic number, because the mean of its divisors is an integer number (17023776).

Almost surely, 2^630104020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630104020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817141248).

630104020 is an abundant number, since it is smaller than the sum of its proper divisors (1004178476).

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

630104020 is a wasteful number, since it uses less digits than its factorization.

630104020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 630104020 is about 25101.8728384955. The cubic root of 630104020 is about 857.3090667892.

Adding to 630104020 its reverse (20401036), we get a palindrome (650505056).

The spelling of 630104020 in words is "six hundred thirty million, one hundred four thousand, twenty".