1220430030 has 16 divisors (see below), whose sum is σ = 2929032144. Its totient is φ = 325448000.

The previous prime is 1220430023. The next prime is 1220430031. The reversal of 1220430030 is 300340221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1220429991 and 1220430009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220430031) 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, 20340471 + ... + 20340530.

It is an arithmetic number, because the mean of its divisors is an integer number (183064509).

Almost surely, 2^1220430030 is an apocalyptic number.

1220430030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220430030 is an abundant number, since it is smaller than the sum of its proper divisors (1708602114).

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

1220430030 is a wasteful number, since it uses less digits than its factorization.

1220430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40681011.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1220430030 is about 34934.6537123241. The cubic root of 1220430030 is about 1068.6552618051.

Adding to 1220430030 its reverse (300340221), we get a palindrome (1520770251).

The spelling of 1220430030 in words is "one billion, two hundred twenty million, four hundred thirty thousand, thirty".