1012304220 has 24 divisors (see below), whose sum is σ = 2834451984. Its totient is φ = 269947776.

The previous prime is 1012304191. The next prime is 1012304231. The reversal of 1012304220 is 224032101.

1012304220 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012304220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8435809 + ... + 8435928.

It is an arithmetic number, because the mean of its divisors is an integer number (118102166).

Almost surely, 2^1012304220 is an apocalyptic number.

1012304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012304220 is an abundant number, since it is smaller than the sum of its proper divisors (1822147764).

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

1012304220 is a wasteful number, since it uses less digits than its factorization.

1012304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16871749 (or 16871747 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1012304220 is about 31816.7286187628. The cubic root of 1012304220 is about 1004.0846991818.

Adding to 1012304220 its reverse (224032101), we get a palindrome (1236336321).

The spelling of 1012304220 in words is "one billion, twelve million, three hundred four thousand, two hundred twenty".