630004012220 has 24 divisors (see below), whose sum is σ = 1443281919408. Its totient is φ = 229092368000.

The previous prime is 630004012199. The next prime is 630004012229. The reversal of 630004012220 is 22210400036.

630004012220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 630004012192 and 630004012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630004012229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431827081 + ... + 1431827520.

It is an arithmetic number, because the mean of its divisors is an integer number (60136746642).

Almost surely, 2^630004012220 is an apocalyptic number.

It is an amenable number.

630004012220 is an abundant number, since it is smaller than the sum of its proper divisors (813277907188).

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

630004012220 is a wasteful number, since it uses less digits than its factorization.

630004012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863654621 (or 2863654619 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 630004012220 its reverse (22210400036), we get a palindrome (652214412256).

The spelling of 630004012220 in words is "six hundred thirty billion, four million, twelve thousand, two hundred twenty".